#10180A
Closest named color: Rich Navy (#001219). oklch(19.6% 0.029 132.8), rgb(16, 24, 10).
Aa
White text reads best on this color (18.14:1).
About this color
#10180A is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.051 away. White text reads best on it, at 18.14:1.
| Hue family | Neutrals |
| Lightness | very dark (20%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.15:1 |
| White text | 18.14:1 |
Values
| HEX | #10180A |
| RGB | rgb(16, 24, 10) |
| HSL | hsl(94, 41%, 7%) |
| OKLCH | oklch(19.6% 0.029 132.8) |
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 #10180A | 18.14:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #10180A | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #10180A text on white | 18.14:1 | AAA | Lc 104.8 | Preferred for body text |
| #10180A text on black | 1.15:1 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E7EBE5
oklch(93.5% 0.009 134.9)
-
Step 200
200
#D4DCCF
oklch(88.5% 0.02 133.1)
-
Step 300
300
#B8C6AF
oklch(80.9% 0.035 133)
-
Step 400
400
#93A885
oklch(70.6% 0.055 133)
-
Step 500
500
#799366
oklch(63.1% 0.071 132.5)
-
Step 600
600
#627D4E
oklch(55.6% 0.076 132.7)
-
Step 700
700
#51693E
oklch(49% 0.071 132.3)
-
Step 800
800
#425634
oklch(42.7% 0.059 133.2)
-
Step 900
900
#38472D
oklch(37.7% 0.047 132.6)
-
Step 950
950 (this color)
#10180A
oklch(19.6% 0.029 132.8)
#10180A 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) | #191609 | 0.017 |
| Deuteranopia (no green cones) | #18150B | 0.019 |
| Tritanopia (no blue cones) | #101715 | 0.022 |
| Achromatopsia (no color) | #161616 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #10180A
#10180A
oklch(19.6% 0.029 132.8)
- #1A111F
#1A111F
oklch(19.6% 0.03 313)
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 #10180A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.051
- Almost Black #070D0D ΔE 0.051
- Rich Black #0D1B2A ΔE 0.060
- Jet #212529 ΔE 0.074
- Dark Brown #341C02 ΔE 0.077
- Very Dark Brown #1D0200 ΔE 0.079
- Dark #1B2431 ΔE 0.080
- Dark Forest Green #002D04 ΔE 0.083
Use #10180A 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.