#39BAFC

Closest named color: Deep Sky Blue (#00BFFF). oklch(74.9% 0.144 236.3), rgb(57, 186, 252).

Aa

Black text reads best on this color (9.60:1).

About this color

#39BAFC is a medium-light, vivid blue. In OKLCH its lightness is 75%, its chroma 0.144 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.017 away. Black text reads best on it, at 9.60:1.

Hue familyBlues
Lightnessmedium-light (75%)
Chromavivid (0.144)
Temperaturecool
Nearest nameDeep Sky Blue (#00BFFF)
Black text9.60:1
White text2.18:1

Values

HEX#39BAFC
RGBrgb(57, 186, 252)
HSLhsl(200, 97%, 61%)
OKLCHoklch(74.9% 0.144 236.3)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #39BAFC 2.18:1 Fails Lc -47.3 Large or bold text, headings
Black text on #39BAFC 9.60:1 AAA Lc 61.4 Content text, not long reading
#39BAFC text on white 2.18:1 Fails Lc 42.6 Non-text elements, placeholder text
#39BAFC text on black 9.60:1 AAA Lc -59.6 Large or bold text, headings

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.

  1. Step 50

    50

    #EEF7FD

    oklch(97.1% 0.013 236.6)

  2. Step 100

    100

    #DAEDF9

    oklch(93.6% 0.026 235.4)

  3. Step 200

    200

    #BBDFF6

    oklch(88.5% 0.049 236.2)

  4. Step 300

    300

    #86CAF3

    oklch(80.9% 0.09 235.9)

  5. Step 400

    400 (this color)

    #39BAFC

    oklch(74.9% 0.144 236.3)

  6. Step 500

    500

    #0094D0

    oklch(63.1% 0.136 236.2)

  7. Step 600

    600

    #007CB0

    oklch(55.5% 0.121 236.7)

  8. Step 700

    700

    #006894

    oklch(49% 0.106 236.4)

  9. Step 800

    800

    #00557A

    oklch(42.5% 0.092 236.4)

  10. Step 900

    900

    #004767

    oklch(37.7% 0.082 236.6)

  11. Step 950

    950

    #002A3F

    oklch(27% 0.059 236.5)

Export this scale for Tailwind in the Tailwind colors tool

#39BAFC with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#9AB9FF0.084
Deuteranopia (no green cones)#80A7FB0.070
Tritanopia (no blue cones)#00CBD10.091
Achromatopsia (no color)#AFAFAF0.144

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #39BAFC

    #39BAFC

    oklch(74.9% 0.144 236.3)

  • #F19349

    #F19349

    oklch(74.8% 0.144 56.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #39BAFC

    #39BAFC

    oklch(74.9% 0.144 236.3)

  • #00C4D6

    #00C4D6

    oklch(74.9% 0.128 206.5)

  • #88ABFF

    #88ABFF

    oklch(75% 0.128 266.2)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #39BAFC

    #39BAFC

    oklch(74.9% 0.144 236.3)

  • #FB877C

    #FB877C

    oklch(74.9% 0.143 26.7)

  • #D5A625

    #D5A625

    oklch(74.8% 0.144 86.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #39BAFC

    #39BAFC

    oklch(74.9% 0.144 236.3)

  • #F484B0

    #F484B0

    oklch(74.9% 0.144 356.2)

  • #A9B840

    #A9B840

    oklch(74.8% 0.144 116.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #39BAFC

    #39BAFC

    oklch(74.9% 0.144 236.3)

  • #DC8BDE

    #DC8BDE

    oklch(74.8% 0.145 326.1)

  • #F19349

    #F19349

    oklch(74.8% 0.144 56.2)

  • #6BC675

    #6BC675

    oklch(75% 0.144 146.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #39BAFC, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #39BAFC in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.