#100106

Closest named color: Very Dark Brown (#1D0200). oklch(11.9% 0.04 355.4), rgb(16, 1, 6).

Aa

White text reads best on this color (20.40:1).

About this color

#100106 is a very dark, muted red. In OKLCH its lightness is 12%, its chroma 0.040 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.047 away. White text reads best on it, at 20.40:1.

Hue familyReds
Lightnessvery dark (12%)
Chromamuted (0.040)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.02:1
White text20.40:1

Values

HEX#100106
RGBrgb(16, 1, 6)
HSLhsl(340, 88%, 3%)
OKLCHoklch(11.9% 0.04 355.4)

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 #100106 20.40:1 AAA Lc -107.8 Preferred for body text
Black text on #100106 1.02:1 Fails Lc 0.0 Not readable
#100106 text on white 20.40:1 AAA Lc 105.9 Preferred for body text
#100106 text on black 1.02:1 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

    #F9F4F5

    oklch(97.1% 0.006 3.3)

  2. Step 100

    100

    #F2E6EA

    oklch(93.6% 0.014 355)

  3. Step 200

    200

    #E9D2DA

    oklch(88.5% 0.028 354.6)

  4. Step 300

    300

    #DBB4C2

    oklch(80.8% 0.049 354.7)

  5. Step 400

    400

    #C88DA3

    oklch(70.8% 0.077 355.1)

  6. Step 500

    500

    #B8708C

    oklch(63.1% 0.097 355.4)

  7. Step 600

    600

    #A35776

    oklch(55.6% 0.106 355.3)

  8. Step 700

    700

    #8C4763

    oklch(49.2% 0.099 355.7)

  9. Step 800

    800

    #713B51

    oklch(42.7% 0.081 355.2)

  10. Step 900

    900

    #5C3343

    oklch(37.8% 0.063 355.6)

  11. Step 950

    950 (this color)

    #100106

    oklch(11.9% 0.04 355.4)

Export this scale for Tailwind in the Tailwind colors tool

#100106 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)#0203060.047
Deuteranopia (no green cones)#0606060.041
Tritanopia (no blue cones)#1200030.012
Achromatopsia (no color)#0505050.040

Harmonies

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

Complementary

The opposite hue (180°).

  • #100106

    #100106

    oklch(11.9% 0.04 355.4)

  • #000805

    #000805

    oklch(12% 0.023 172.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #100106

    #100106

    oklch(11.9% 0.04 355.4)

  • #0C020D

    #0C020D

    oklch(11.9% 0.038 324.9)

  • #110101

    #110101

    oklch(11.7% 0.04 25.9)

Open the analogous palette in the generator

Split complementary

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

  • #100106

    #100106

    oklch(11.9% 0.04 355.4)

  • #000801

    #000801

    oklch(11.7% 0.035 147.3)

  • #000709

    #000709

    oklch(11.8% 0.02 209.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #100106

    #100106

    oklch(11.9% 0.04 355.4)

  • #050600

    #050600

    oklch(11.6% 0.026 115.3)

  • #00070D

    #00070D

    oklch(12.1% 0.024 231)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #100106

    #100106

    oklch(11.9% 0.04 355.4)

  • #090500

    #090500

    oklch(11.9% 0.024 86.8)

  • #000805

    #000805

    oklch(12% 0.023 172.5)

  • #010414

    #010414

    oklch(11.5% 0.041 264.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #100106, closest first.

Similar named colors

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

Use #100106 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.