#151B08
Closest named color: Rich Black (#0D1B2A). oklch(21% 0.035 123.8), rgb(21, 27, 8).
Aa
White text reads best on this color (17.61:1).
About this color
#151B08 is a very dark, muted brown. In OKLCH its lightness is 21%, its chroma 0.035 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.064 away. White text reads best on it, at 17.61:1.
| Hue family | Browns |
| Lightness | very dark (21%) |
| Chroma | muted (0.035) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.19:1 |
| White text | 17.61:1 |
Values
| HEX | #151B08 |
| RGB | rgb(21, 27, 8) |
| HSL | hsl(79, 54%, 7%) |
| OKLCH | oklch(21% 0.035 123.8) |
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 #151B08 | 17.61:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #151B08 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #151B08 text on white | 17.61:1 | AAA | Lc 104.4 | Preferred for body text |
| #151B08 text on black | 1.19:1 | 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
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#E8EBE3
oklch(93.6% 0.011 123.5)
-
Step 200
200
#D6DCCB
oklch(88.5% 0.024 122.8)
-
Step 300
300
#BBC6A8
oklch(81% 0.043 123.7)
-
Step 400
400
#98A87A
oklch(70.7% 0.067 123.7)
-
Step 500
500
#7F9257
oklch(63% 0.085 123.4)
-
Step 600
600
#687C3C
oklch(55.5% 0.092 123.7)
-
Step 700
700
#57692E
oklch(49.2% 0.087 123.6)
-
Step 800
800
#475527
oklch(42.6% 0.071 123.4)
-
Step 900
900
#3B4724
oklch(37.8% 0.057 124.6)
-
Step 950
950 (this color)
#151B08
oklch(21% 0.035 123.8)
#151B08 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) | #1D1907 | 0.016 |
| Deuteranopia (no green cones) | #1C1909 | 0.015 |
| Tritanopia (no blue cones) | #161917 | 0.030 |
| Achromatopsia (no color) | #191919 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #151B08
#151B08
oklch(21% 0.035 123.8)
- #1C1426
#1C1426
oklch(21.1% 0.036 303.9)
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 #151B08, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.064
- Dark Brown #341C02 ΔE 0.064
- Rich Navy #001219 ΔE 0.065
- Jet #212529 ΔE 0.066
- Almost Black #070D0D ΔE 0.067
- Dark Forest Green #002D04 ΔE 0.070
- Very Dark Green #062E03 ΔE 0.073
- Dark #1B2431 ΔE 0.075
Use #151B08 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.