#151C03
Closest named color: Dark Forest Green (#002D04). oklch(21.2% 0.045 122.8), rgb(21, 28, 3).
Aa
White text reads best on this color (17.51:1).
About this color
#151C03 is a very dark, muted brown. In OKLCH its lightness is 21%, its chroma 0.045 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Forest Green (#002D04), ΔE 0.063 away. White text reads best on it, at 17.51:1.
| Hue family | Browns |
| Lightness | very dark (21%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Dark Forest Green (#002D04) |
| Black text | 1.19:1 |
| White text | 17.51:1 |
Values
| HEX | #151C03 |
| RGB | rgb(21, 28, 3) |
| HSL | hsl(77, 81%, 6%) |
| OKLCH | oklch(21.2% 0.045 122.8) |
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 #151C03 | 17.51:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #151C03 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #151C03 text on white | 17.51:1 | AAA | Lc 104.3 | Preferred for body text |
| #151C03 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E8ECE0
oklch(93.7% 0.017 121.8)
-
Step 200
200
#D5DDC7
oklch(88.5% 0.031 123.3)
-
Step 300
300
#BAC7A1
oklch(81% 0.054 122.9)
-
Step 400
400
#96AA6D
oklch(70.7% 0.086 123.4)
-
Step 500
500
#7D9444
oklch(63.1% 0.11 122.9)
-
Step 600
600
#677E22
oklch(55.6% 0.119 122.6)
-
Step 700
700
#556A13
oklch(49% 0.111 122.9)
-
Step 800
800
#465714
oklch(42.8% 0.092 122.8)
-
Step 900
900
#3B4818
oklch(37.9% 0.073 122.7)
-
Step 950
950 (this color)
#151C03
oklch(21.2% 0.045 122.8)
#151C03 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) | #1E1A01 | 0.017 |
| Deuteranopia (no green cones) | #1D1904 | 0.019 |
| Tritanopia (no blue cones) | #171A17 | 0.039 |
| Achromatopsia (no color) | #191919 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #151C03
#151C03
oklch(21.2% 0.045 122.8)
- #1D132A
#1D132A
oklch(21.2% 0.046 302.7)
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 #151C03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Forest Green #002D04 ΔE 0.063
- Dark Brown #341C02 ΔE 0.064
- Very Dark Green #062E03 ΔE 0.066
- Jet #212529 ΔE 0.072
- Rich Black #0D1B2A ΔE 0.073
- Rich Navy #001219 ΔE 0.074
- Almost Black #070D0D ΔE 0.074
- Dark #1B2431 ΔE 0.082
Use #151C03 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.