#100B26

Closest named color: Rich Navy (#001219). oklch(17.5% 0.053 288.1), rgb(16, 11, 38).

Aa

White text reads best on this color (19.12:1).

About this color

#100B26 is a very dark, muted purple. In OKLCH its lightness is 17%, its chroma 0.053 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.050 away. White text reads best on it, at 19.12:1.

Hue familyPurples
Lightnessvery dark (17%)
Chromamuted (0.053)
Temperaturecool
Nearest nameRich Navy (#001219)
Black text1.09:1
White text19.12:1

Values

HEX#100B26
RGBrgb(16, 11, 38)
HSLhsl(251, 55%, 10%)
OKLCHoklch(17.5% 0.053 288.1)

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 #100B26 19.12:1 AAA Lc -107.4 Preferred for body text
Black text on #100B26 1.09:1 Fails Lc 0.0 Not readable
#100B26 text on white 19.12:1 AAA Lc 105.4 Preferred for body text
#100B26 text on black 1.09:1 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

    #F5F5FB

    oklch(97.2% 0.008 286.3)

  2. Step 100

    100

    #E9E8F6

    oklch(93.6% 0.019 289.3)

  3. Step 200

    200

    #D7D6F0

    oklch(88.5% 0.036 287.4)

  4. Step 300

    300

    #BEBBE8

    oklch(81% 0.063 288)

  5. Step 400

    400

    #9D96DC

    oklch(70.6% 0.101 288.1)

  6. Step 500

    500

    #867BD3

    oklch(63.1% 0.13 287.8)

  7. Step 600

    600

    #7162C0

    oklch(55.5% 0.142 288.2)

  8. Step 700

    700

    #5F51A6

    oklch(49.1% 0.132 288.1)

  9. Step 800

    800

    #4D4386

    oklch(42.7% 0.108 287.8)

  10. Step 900

    900

    #40396B

    oklch(37.7% 0.084 288.1)

  11. Step 950

    950 (this color)

    #100B26

    oklch(17.5% 0.053 288.1)

Export this scale for Tailwind in the Tailwind colors tool

#100B26 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)#0110270.030
Deuteranopia (no green cones)#010F250.030
Tritanopia (no blue cones)#0911160.045
Achromatopsia (no color)#0F0F0F0.054

Harmonies

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

Complementary

The opposite hue (180°).

  • #100B26

    #100B26

    oklch(17.5% 0.053 288.1)

  • #121100

    #121100

    oklch(17.3% 0.037 107.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #100B26

    #100B26

    oklch(17.5% 0.053 288.1)

  • #021027

    #021027

    oklch(17.5% 0.053 256.8)

  • #1A071F

    #1A071F

    oklch(17.4% 0.054 318.9)

Open the analogous palette in the generator

Split complementary

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

  • #100B26

    #100B26

    oklch(17.5% 0.053 288.1)

  • #190E00

    #190E00

    oklch(17.5% 0.036 78)

  • #041500

    #041500

    oklch(17.3% 0.053 137.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #100B26

    #100B26

    oklch(17.5% 0.053 288.1)

  • #200800

    #200800

    oklch(17.3% 0.048 47.5)

  • #00150D

    #00150D

    oklch(17.4% 0.035 167.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #100B26

    #100B26

    oklch(17.5% 0.053 288.1)

  • #230507

    #230507

    oklch(17.5% 0.053 19.6)

  • #121100

    #121100

    oklch(17.3% 0.037 107.2)

  • #001415

    #001415

    oklch(17.4% 0.03 198.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #100B26, closest first.

Similar named colors

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

Use #100B26 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.