#1C151A
Closest named color: Rich Black (#0D1B2A). oklch(20.7% 0.015 336.5), rgb(28, 21, 26).
Aa
White text reads best on this color (17.92:1).
About this color
#1C151A is a very dark close to neutral grey. In OKLCH its lightness is 21%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.039 away. White text reads best on it, at 17.92:1.
| Hue family | Neutrals |
| Lightness | very dark (21%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.17:1 |
| White text | 17.92:1 |
Values
| HEX | #1C151A |
| RGB | rgb(28, 21, 26) |
| HSL | hsl(317, 14%, 10%) |
| OKLCH | oklch(20.7% 0.015 336.5) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #1C151A | 17.92:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #1C151A | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #1C151A text on white | 17.92:1 | AAA | Lc 104.7 | Preferred for body text |
| #1C151A 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
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#ECE9EB
oklch(93.7% 0.004 337.4)
-
Step 200
200
#DDD7DB
oklch(88.5% 0.008 337.5)
-
Step 300
300
#C8BDC5
oklch(81% 0.016 335.1)
-
Step 400
400
#AC9AA7
oklch(70.6% 0.028 335.7)
-
Step 500
500
#988292
oklch(63.2% 0.035 335.7)
-
Step 600
600
#836B7C
oklch(55.7% 0.039 336.8)
-
Step 700
700
#6E5968
oklch(49% 0.035 336.6)
-
Step 800
800
#5A4955
oklch(42.7% 0.03 336.9)
-
Step 900
900
#4A3D46
oklch(37.7% 0.023 337.3)
-
Step 950
950 (this color)
#1C151A
oklch(20.7% 0.015 336.5)
#1C151A 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) | #15161A | 0.014 |
| Deuteranopia (no green cones) | #17171A | 0.012 |
| Tritanopia (no blue cones) | #1D1517 | 0.006 |
| Achromatopsia (no color) | #171717 | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1C151A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.039
- Rich Navy #001219 ΔE 0.055
- Jet #212529 ΔE 0.058
- Almost Black #070D0D ΔE 0.059
- Dark #1B2431 ΔE 0.059
- Dark Brown #341C02 ΔE 0.073
- Very Dark Brown #1D0200 ΔE 0.073
- Oxford Blue #1B263B ΔE 0.075
Use #1C151A 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.