#1B331A
Closest named color: Pakistan Green (#283618). oklch(29.4% 0.053 143.2), rgb(27, 51, 26).
Aa
White text reads best on this color (13.68:1).
About this color
#1B331A is a dark, muted green. In OKLCH its lightness is 29%, its chroma 0.053 and its hue 143°. 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 13.68:1.
| Hue family | Greens |
| Lightness | dark (29%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.53:1 |
| White text | 13.68:1 |
Values
| HEX | #1B331A |
| RGB | rgb(27, 51, 26) |
| HSL | hsl(118, 32%, 15%) |
| OKLCH | oklch(29.4% 0.053 143.2) |
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 #1B331A | 13.68:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #1B331A | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #1B331A text on white | 13.68:1 | AAA | Lc 100.1 | Preferred for body text |
| #1B331A 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
#CCE0CB
oklch(88.6% 0.036 144)
-
Step 300
300
#A9CCA7
oklch(81% 0.063 143.6)
-
Step 400
400
#7AB177
oklch(70.7% 0.101 143.2)
-
Step 500
500
#559D53
oklch(63.1% 0.129 143.3)
-
Step 600
600
#378736
oklch(55.5% 0.141 143.2)
-
Step 700
700
#297329
oklch(49.2% 0.131 143.3)
-
Step 800
800
#245D23
oklch(42.6% 0.108 143.1)
-
Step 900
900
#234D22
oklch(37.8% 0.084 143.3)
-
Step 950
950 (this color)
#1B331A
oklch(29.4% 0.053 143.2)
#1B331A 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) | #342F18 | 0.040 |
| Deuteranopia (no green cones) | #312D1C | 0.040 |
| Tritanopia (no blue cones) | #18322D | 0.033 |
| Achromatopsia (no color) | #2D2D2D | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B331A
#1B331A
oklch(29.4% 0.053 143.2)
- #39233C
#39233C
oklch(29.5% 0.053 322.5)
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 #1B331A, 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 0.042
- Dark Forest Green #002D04 ΔE 0.046
- Hunter Green #0B4008 ΔE 0.056
- Dark Olive #373E02 ΔE 0.064
- Jet #212529 ΔE 0.065
- Evergreen #05472A ΔE 0.066
- Forrest Green #154406 ΔE 0.068
Use #1B331A 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.