#151C05
Closest named color: Dark Brown (#341C02). oklch(21.3% 0.042 123.7), rgb(21, 28, 5).
Aa
White text reads best on this color (17.49:1).
About this color
#151C05 is a very dark, muted brown. In OKLCH its lightness is 21%, its chroma 0.042 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.063 away. White text reads best on it, at 17.49:1.
| Hue family | Browns |
| Lightness | very dark (21%) |
| Chroma | muted (0.042) |
| Temperature | in between |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.20:1 |
| White text | 17.49:1 |
Values
| HEX | #151C05 |
| RGB | rgb(21, 28, 5) |
| HSL | hsl(78, 70%, 6%) |
| OKLCH | oklch(21.3% 0.042 123.7) |
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 #151C05 | 17.49:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #151C05 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #151C05 text on white | 17.49:1 | AAA | Lc 104.3 | Preferred for body text |
| #151C05 text on black | 1.20:1 | 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E8ECE1
oklch(93.7% 0.015 123)
-
Step 200
200
#D5DCC9
oklch(88.4% 0.027 123.5)
-
Step 300
300
#BAC6A4
oklch(80.8% 0.048 123.3)
-
Step 400
400
#96A972
oklch(70.6% 0.079 123.9)
-
Step 500
500
#7D944C
oklch(63.2% 0.102 123.8)
-
Step 600
600
#667E2D
oklch(55.7% 0.111 124)
-
Step 700
700
#556A1F
oklch(49.1% 0.103 123.7)
-
Step 800
800
#46561C
oklch(42.6% 0.084 123.1)
-
Step 900
900
#3A471D
oklch(37.6% 0.066 123.8)
-
Step 950
950 (this color)
#151C05
oklch(21.3% 0.042 123.7)
#151C05 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) | #1E1A03 | 0.017 |
| Deuteranopia (no green cones) | #1D1906 | 0.019 |
| Tritanopia (no blue cones) | #161A17 | 0.035 |
| Achromatopsia (no color) | #191919 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #151C05
#151C05
oklch(21.3% 0.042 123.7)
- #1D1429
#1D1429
oklch(21.4% 0.042 302.8)
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 #151C05, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.063
- Dark Forest Green #002D04 ΔE 0.065
- Very Dark Green #062E03 ΔE 0.068
- Jet #212529 ΔE 0.069
- Rich Black #0D1B2A ΔE 0.070
- Rich Navy #001219 ΔE 0.071
- Almost Black #070D0D ΔE 0.072
- Dark #1B2431 ΔE 0.079
Use #151C05 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.