#150B35

Closest named color: Navy Blue (#001146). oklch(19.5% 0.078 287.9), rgb(21, 11, 53).

Aa

White text reads best on this color (18.56:1).

About this color

#150B35 is a very dark, moderately saturated purple. In OKLCH its lightness is 20%, its chroma 0.078 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.048 away. White text reads best on it, at 18.56:1.

Hue familyPurples
Lightnessvery dark (20%)
Chromamoderately saturated (0.078)
Temperaturecool
Nearest nameNavy Blue (#001146)
Black text1.13:1
White text18.56:1

Values

HEX#150B35
RGBrgb(21, 11, 53)
HSLhsl(254, 66%, 13%)
OKLCHoklch(19.5% 0.078 287.9)

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 #150B35 18.56:1 AAA Lc -107.0 Preferred for body text
Black text on #150B35 1.13:1 Fails Lc 0.0 Not readable
#150B35 text on white 18.56:1 AAA Lc 104.9 Preferred for body text
#150B35 text on black 1.13:1 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 950.

  1. Step 50

    50

    #F5F4FE

    oklch(97.1% 0.013 290.8)

  2. Step 100

    100

    #E8E7FB

    oklch(93.5% 0.027 288.2)

  3. Step 200

    200

    #D7D5FA

    oklch(88.6% 0.051 287.8)

  4. Step 300

    300

    #BDB8F9

    oklch(81% 0.091 287.7)

  5. Step 400

    400

    #9D90F6

    oklch(70.7% 0.146 287.9)

  6. Step 500

    500

    #8770F3

    oklch(63.1% 0.189 287.8)

  7. Step 600

    600

    #7354E1

    oklch(55.6% 0.204 288)

  8. Step 700

    700

    #6143C4

    oklch(49.2% 0.191 288)

  9. Step 800

    800

    #4F389E

    oklch(42.7% 0.158 288.2)

  10. Step 900

    900

    #41327E

    oklch(37.8% 0.123 288.1)

  11. Step 950

    950 (this color)

    #150B35

    oklch(19.5% 0.078 287.9)

Export this scale for Tailwind in the Tailwind colors tool

#150B35 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)#0014360.040
Deuteranopia (no green cones)#0012340.039
Tritanopia (no blue cones)#09161E0.065
Achromatopsia (no color)#1313130.078

Harmonies

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

Complementary

The opposite hue (180°).

  • #150B35

    #150B35

    oklch(19.5% 0.078 287.9)

  • #171600

    #171600

    oklch(19.5% 0.042 107.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #150B35

    #150B35

    oklch(19.5% 0.078 287.9)

  • #001334

    #001334

    oklch(19.5% 0.071 257.7)

  • #23052B

    #23052B

    oklch(19.6% 0.078 318.4)

Open the analogous palette in the generator

Split complementary

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

  • #150B35

    #150B35

    oklch(19.5% 0.078 287.9)

  • #1F1200

    #1F1200

    oklch(19.5% 0.041 77.1)

  • #051B00

    #051B00

    oklch(19.6% 0.061 138.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #150B35

    #150B35

    oklch(19.5% 0.078 287.9)

  • #270C00

    #270C00

    oklch(19.6% 0.052 49)

  • #001A11

    #001A11

    oklch(19.3% 0.039 167.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #150B35

    #150B35

    oklch(19.5% 0.078 287.9)

  • #300007

    #300007

    oklch(19.6% 0.079 17.9)

  • #171600

    #171600

    oklch(19.5% 0.042 107.6)

  • #00191A

    #00191A

    oklch(19.4% 0.033 198.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #150B35, closest first.

Similar named colors

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

Use #150B35 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.