#151E22
Closest named color: Rich Black (#0D1B2A). oklch(22.8% 0.015 226.9), rgb(21, 30, 34).
Aa
White text reads best on this color (16.92:1).
About this color
#151E22 is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.025 away. White text reads best on it, at 16.92:1.
| Hue family | Neutrals |
| Lightness | very dark (23%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.24:1 |
| White text | 16.92:1 |
Values
| HEX | #151E22 |
| RGB | rgb(21, 30, 34) |
| HSL | hsl(198, 24%, 11%) |
| OKLCH | oklch(22.8% 0.015 226.9) |
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 #151E22 | 16.92:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #151E22 | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #151E22 text on white | 16.92:1 | AAA | Lc 103.8 | Preferred for body text |
| #151E22 text on black | 1.24:1 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D3DBDE
oklch(88.6% 0.01 222.1)
-
Step 300
300
#B5C3CA
oklch(80.9% 0.018 229.1)
-
Step 400
400
#8FA5AF
oklch(70.8% 0.029 227)
-
Step 500
500
#738E9B
oklch(63% 0.036 228.7)
-
Step 600
600
#5B7886
oklch(55.5% 0.04 229.1)
-
Step 700
700
#4A6571
oklch(49% 0.037 227.1)
-
Step 800
800
#3D535C
oklch(42.8% 0.031 225)
-
Step 900
900
#34444C
oklch(37.6% 0.025 229.8)
-
Step 950
950 (this color)
#151E22
oklch(22.8% 0.015 226.9)
#151E22 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) | #1C1E22 | 0.012 |
| Deuteranopia (no green cones) | #1A1C22 | 0.011 |
| Tritanopia (no blue cones) | #111F1F | 0.010 |
| Achromatopsia (no color) | #1D1D1D | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #151E22
#151E22
oklch(22.8% 0.015 226.9)
- #231A16
#231A16
oklch(22.7% 0.016 45.2)
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 #151E22, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.025
- Dark #1B2431 ΔE 0.034
- Jet #212529 ΔE 0.035
- Oxford Blue #1B263B ΔE 0.052
- Rich Navy #001219 ΔE 0.061
- Dark Brown #341C02 ΔE 0.073
- Almost Black #070D0D ΔE 0.076
- Space Cadet #2B2D42 ΔE 0.083
Use #151E22 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.