#2C394A

Closest named color: Dark Blue Grey (#1F3B4D). oklch(34% 0.035 255.3), rgb(44, 57, 74).

Aa

White text reads best on this color (11.72:1).

About this color

#2C394A is a dark, muted blue. In OKLCH its lightness is 34%, its chroma 0.035 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Grey (#1F3B4D), ΔE 0.017 away. White text reads best on it, at 11.72:1.

Hue familyBlues
Lightnessdark (34%)
Chromamuted (0.035)
Temperaturecool
Nearest nameDark Blue Grey (#1F3B4D)
Black text1.79:1
White text11.72:1

Values

HEX#2C394A
RGBrgb(44, 57, 74)
HSLhsl(214, 25%, 23%)
OKLCHoklch(34% 0.035 255.3)

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 #2C394A 11.72:1 AAA Lc -100.5 Preferred for body text
Black text on #2C394A 1.79:1 Fails Lc 0.0 Not readable
#2C394A text on white 11.72:1 AAA Lc 96.9 Preferred for body text
#2C394A text on black 1.79:1 Fails Lc 0.0 Not readable

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 900.

  1. Step 50

    50

    #F4F5F8

    oklch(97% 0.004 271.4)

  2. Step 100

    100

    #E7EAEF

    oklch(93.6% 0.007 260.7)

  3. Step 200

    200

    #D3DAE3

    oklch(88.6% 0.015 254.6)

  4. Step 300

    300

    #B6C2D2

    oklch(81% 0.026 255.6)

  5. Step 400

    400

    #90A2BB

    oklch(70.7% 0.042 256.6)

  6. Step 500

    500

    #748BAA

    oklch(63% 0.054 256)

  7. Step 600

    600

    #5D7595

    oklch(55.6% 0.058 255.8)

  8. Step 700

    700

    #4C627F

    oklch(49% 0.054 255.5)

  9. Step 800

    800

    #3F5067

    oklch(42.7% 0.044 256.1)

  10. Step 900

    900 (this color)

    #2C394A

    oklch(34% 0.035 255.3)

  11. Step 950

    950

    #1F2731

    oklch(27% 0.022 254.2)

Export this scale for Tailwind in the Tailwind colors tool

#2C394A 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)#333A4B0.012
Deuteranopia (no green cones)#2F374A0.008
Tritanopia (no blue cones)#223D3F0.031
Achromatopsia (no color)#3838380.035

Harmonies

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

Complementary

The opposite hue (180°).

  • #2C394A

    #2C394A

    oklch(34% 0.035 255.3)

  • #433624

    #433624

    oklch(34.2% 0.035 75.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #2C394A

    #2C394A

    oklch(34% 0.035 255.3)

  • #243C46

    #243C46

    oklch(34.1% 0.035 226.3)

  • #36364A

    #36364A

    oklch(34.2% 0.035 284.4)

Open the analogous palette in the generator

Split complementary

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

  • #2C394A

    #2C394A

    oklch(34% 0.035 255.3)

  • #483229

    #483229

    oklch(34% 0.036 43.2)

  • #3A3924

    #3A3924

    oklch(33.9% 0.034 105.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #2C394A

    #2C394A

    oklch(34% 0.035 255.3)

  • #483132

    #483132

    oklch(34% 0.034 16.1)

  • #303C2A

    #303C2A

    oklch(34% 0.034 135.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #2C394A

    #2C394A

    oklch(34% 0.035 255.3)

  • #45313C

    #45313C

    oklch(34% 0.034 344.9)

  • #433624

    #433624

    oklch(34.2% 0.035 75.2)

  • #263E34

    #263E34

    oklch(34.1% 0.035 166.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2C394A, closest first.

Similar named colors

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

Use #2C394A 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.