#0A1922
Closest named color: Rich Black (#0D1B2A). oklch(20.5% 0.027 236.6), rgb(10, 25, 34).
Aa
White text reads best on this color (17.87:1).
About this color
#0A1922 is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.017 away. White text reads best on it, at 17.87:1.
| Hue family | Neutrals |
| Lightness | very dark (20%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.17:1 |
| White text | 17.87:1 |
Values
| HEX | #0A1922 |
| RGB | rgb(10, 25, 34) |
| HSL | hsl(203, 55%, 9%) |
| OKLCH | oklch(20.5% 0.027 236.6) |
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 #0A1922 | 17.87:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #0A1922 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #0A1922 text on white | 17.87:1 | AAA | Lc 104.6 | Preferred for body text |
| #0A1922 text on black | 1.17:1 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CFDBE4
oklch(88.5% 0.018 240)
-
Step 300
300
#AEC4D3
oklch(80.8% 0.032 237.7)
-
Step 400
400
#82A6BD
oklch(70.7% 0.052 236.5)
-
Step 500
500
#6290AD
oklch(63.1% 0.066 236.9)
-
Step 600
600
#487A98
oklch(55.7% 0.071 236.4)
-
Step 700
700
#396682
oklch(49% 0.067 237.6)
-
Step 800
800
#2F546A
oklch(42.8% 0.056 236.2)
-
Step 900
900
#2A4556
oklch(37.6% 0.044 237.2)
-
Step 950
950 (this color)
#0A1922
oklch(20.5% 0.027 236.6)
#0A1922 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) | #151922 | 0.017 |
| Deuteranopia (no green cones) | #121622 | 0.015 |
| Tritanopia (no blue cones) | #011B1C | 0.021 |
| Achromatopsia (no color) | #171717 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A1922
#0A1922
oklch(20.5% 0.027 236.6)
- #21140A
#21140A
oklch(20.6% 0.028 58)
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 #0A1922, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.017
- Rich Navy #001219 ΔE 0.037
- Dark #1B2431 ΔE 0.054
- Almost Black #070D0D ΔE 0.056
- Jet #212529 ΔE 0.060
- Oxford Blue #1B263B ΔE 0.068
- Navy Blue #001146 ΔE 0.079
- Dark Navy #000435 ΔE 0.085
Use #0A1922 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.