#100402
Closest named color: Very Dark Brown (#1D0200). oklch(12.9% 0.027 37.6), rgb(16, 4, 2).
Aa
White text reads best on this color (20.18:1).
About this color
#100402 is a very dark close to neutral grey. In OKLCH its lightness is 13%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.035 away. White text reads best on it, at 20.18:1.
| Hue family | Neutrals |
| Lightness | very dark (13%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.04:1 |
| White text | 20.18:1 |
Values
| HEX | #100402 |
| RGB | rgb(16, 4, 2) |
| HSL | hsl(9, 78%, 4%) |
| OKLCH | oklch(12.9% 0.027 37.6) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #100402 | 20.18:1 | AAA | Lc -107.8 | Preferred for body text |
| Black text on #100402 | 1.04:1 | Fails | Lc 0.0 | Not readable |
| #100402 text on white | 20.18:1 | AAA | Lc 105.9 | Preferred for body text |
| #100402 text on black | 1.04:1 | 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.
-
Step 50
50
#F8F4F3
oklch(97% 0.005 34.3)
-
Step 100
100
#F0E8E5
oklch(93.6% 0.01 41.9)
-
Step 200
200
#E4D5D1
oklch(88.4% 0.018 35.3)
-
Step 300
300
#D4BAB2
oklch(80.9% 0.032 37.8)
-
Step 400
400
#BE968A
oklch(70.7% 0.051 37.3)
-
Step 500
500
#AD7C6D
oklch(63.1% 0.066 37.7)
-
Step 600
600
#986455
oklch(55.5% 0.072 36.8)
-
Step 700
700
#825345
oklch(49.1% 0.067 37.3)
-
Step 800
800
#694439
oklch(42.6% 0.055 37.3)
-
Step 900
900
#563A31
oklch(37.8% 0.043 38.6)
-
Step 950
950 (this color)
#100402
oklch(12.9% 0.027 37.6)
#100402 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #060502 | 0.027 |
| Deuteranopia (no green cones) | #090802 | 0.026 |
| Tritanopia (no blue cones) | #130303 | 0.011 |
| Achromatopsia (no color) | #070707 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100402
#100402
oklch(12.9% 0.027 37.6)
- #00090D
#00090D
oklch(12.9% 0.023 217.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #100402, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.035
- Almost Black #070D0D ΔE 0.043
- Rich Navy #001219 ΔE 0.071
- Rich Black #0D1B2A ΔE 0.107
- Midnight #03012D ΔE 0.107
- Dark Navy Blue #00022E ΔE 0.111
- Dark Maroon #3C0008 ΔE 0.116
- Dark Navy #000435 ΔE 0.120
Use #100402 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.