#1B331B
Closest named color: Pakistan Green (#283618). oklch(29.4% 0.052 144.1), rgb(27, 51, 27).
Aa
White text reads best on this color (13.67:1).
About this color
#1B331B is a dark, muted green. In OKLCH its lightness is 29%, its chroma 0.052 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.022 away. White text reads best on it, at 13.67:1.
| Hue family | Greens |
| Lightness | dark (29%) |
| Chroma | muted (0.052) |
| Temperature | in between |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.53:1 |
| White text | 13.67:1 |
Values
| HEX | #1B331B |
| RGB | rgb(27, 51, 27) |
| HSL | hsl(120, 31%, 15%) |
| OKLCH | oklch(29.4% 0.052 144.1) |
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 #1B331B | 13.67:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #1B331B | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #1B331B text on white | 13.67:1 | AAA | Lc 100.1 | Preferred for body text |
| #1B331B text on black | 1.53:1 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE2
oklch(93.6% 0.018 142.8)
-
Step 200
200
#CCDFCB
oklch(88.4% 0.034 143.9)
-
Step 300
300
#A9CCA8
oklch(81% 0.062 144.3)
-
Step 400
400
#7AB179
oklch(70.7% 0.099 144)
-
Step 500
500
#559D56
oklch(63.1% 0.126 144.2)
-
Step 600
600
#37873A
oklch(55.5% 0.137 144.1)
-
Step 700
700
#28722C
oklch(48.9% 0.127 144.2)
-
Step 800
800
#235D26
oklch(42.6% 0.105 144.3)
-
Step 900
900
#234D23
oklch(37.8% 0.083 143.7)
-
Step 950
950 (this color)
#1B331B
oklch(29.4% 0.052 144.1)
#1B331B 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) | #342F19 | 0.040 |
| Deuteranopia (no green cones) | #302D1C | 0.038 |
| Tritanopia (no blue cones) | #18322D | 0.032 |
| Achromatopsia (no color) | #2E2E2E | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B331B
#1B331B
oklch(29.4% 0.052 144.1)
- #39233B
#39233B
oklch(29.4% 0.052 323.9)
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 #1B331B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.022
- Very Dark Green #062E03 ΔE 0.043
- Dark Forest Green #002D04 ΔE 0.047
- Hunter Green #0B4008 ΔE 0.057
- Jet #212529 ΔE 0.064
- Dark Olive #373E02 ΔE 0.065
- Evergreen #05472A ΔE 0.066
- Forrest Green #154406 ΔE 0.069
Use #1B331B 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.