#100107

Closest named color: Very Dark Brown (#1D0200). oklch(11.9% 0.041 351.5), rgb(16, 1, 7).

Aa

White text reads best on this color (20.39:1).

About this color

#100107 is a very dark, muted red. In OKLCH its lightness is 12%, its chroma 0.041 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.049 away. White text reads best on it, at 20.39:1.

Hue familyReds
Lightnessvery dark (12%)
Chromamuted (0.041)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.02:1
White text20.39:1

Values

HEX#100107
RGBrgb(16, 1, 7)
HSLhsl(336, 88%, 3%)
OKLCHoklch(11.9% 0.041 351.5)

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 #100107 20.39:1 AAA Lc -107.8 Preferred for body text
Black text on #100107 1.02:1 Fails Lc 0.0 Not readable
#100107 text on white 20.39:1 AAA Lc 105.9 Preferred for body text
#100107 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

    #F9F4F6

    oklch(97.2% 0.006 350.8)

  2. Step 100

    100

    #F2E6EB

    oklch(93.6% 0.015 350.1)

  3. Step 200

    200

    #E8D2DB

    oklch(88.4% 0.027 350.9)

  4. Step 300

    300

    #DBB4C4

    oklch(80.9% 0.05 351.7)

  5. Step 400

    400

    #C78DA6

    oklch(70.8% 0.077 351.7)

  6. Step 500

    500

    #B76F90

    oklch(63% 0.1 351.4)

  7. Step 600

    600

    #A2577B

    oklch(55.6% 0.108 351)

  8. Step 700

    700

    #8B4767

    oklch(49.2% 0.1 351.8)

  9. Step 800

    800

    #713A54

    oklch(42.7% 0.084 351.5)

  10. Step 900

    900

    #5C3245

    oklch(37.7% 0.066 352.2)

  11. Step 950

    950 (this color)

    #100107

    oklch(11.9% 0.041 351.5)

Export this scale for Tailwind in the Tailwind colors tool

#100107 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)#0203070.047
Deuteranopia (no green cones)#0606070.040
Tritanopia (no blue cones)#1201030.015
Achromatopsia (no color)#0505050.041

Harmonies

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

Complementary

The opposite hue (180°).

  • #100107

    #100107

    oklch(11.9% 0.041 351.5)

  • #000805

    #000805

    oklch(12% 0.023 172.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #100107

    #100107

    oklch(11.9% 0.041 351.5)

  • #0C020E

    #0C020E

    oklch(12% 0.039 322.4)

  • #120102

    #120102

    oklch(12.1% 0.041 19)

Open the analogous palette in the generator

Split complementary

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

  • #100107

    #100107

    oklch(11.9% 0.041 351.5)

  • #000800

    #000800

    oklch(11.6% 0.04 142.5)

  • #000708

    #000708

    oklch(11.7% 0.02 202.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #100107

    #100107

    oklch(11.9% 0.041 351.5)

  • #060600

    #060600

    oklch(11.8% 0.026 109.8)

  • #00070D

    #00070D

    oklch(12.1% 0.024 231)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #100107

    #100107

    oklch(11.9% 0.041 351.5)

  • #0A0500

    #0A0500

    oklch(12.1% 0.025 82.3)

  • #000805

    #000805

    oklch(12% 0.023 172.5)

  • #010515

    #010515

    oklch(12.1% 0.04 261.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #100107, closest first.

Similar named colors

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

Use #100107 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.