#1B331C
Closest named color: Pakistan Green (#283618). oklch(29.4% 0.051 145.1), rgb(27, 51, 28).
Aa
White text reads best on this color (13.66:1).
About this color
#1B331C is a dark, muted green. In OKLCH its lightness is 29%, its chroma 0.051 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.023 away. White text reads best on it, at 13.66:1.
| Hue family | Greens |
| Lightness | dark (29%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.53:1 |
| White text | 13.66:1 |
Values
| HEX | #1B331C |
| RGB | rgb(27, 51, 28) |
| HSL | hsl(122, 31%, 15%) |
| OKLCH | oklch(29.4% 0.051 145.1) |
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 #1B331C | 13.66:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #1B331C | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #1B331C text on white | 13.66:1 | AAA | Lc 100.1 | Preferred for body text |
| #1B331C 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
#E3EDE3
oklch(93.6% 0.017 145.4)
-
Step 200
200
#CCDFCC
oklch(88.4% 0.033 145.3)
-
Step 300
300
#A9CBA9
oklch(80.8% 0.06 145)
-
Step 400
400
#7AB17B
oklch(70.8% 0.097 144.9)
-
Step 500
500
#559D59
oklch(63.2% 0.123 145.1)
-
Step 600
600
#37873E
oklch(55.6% 0.133 145.1)
-
Step 700
700
#287230
oklch(49% 0.124 145.2)
-
Step 800
800
#235D28
oklch(42.6% 0.103 145)
-
Step 900
900
#224C25
oklch(37.5% 0.08 145.2)
-
Step 950
950 (this color)
#1B331C
oklch(29.4% 0.051 145.1)
#1B331C 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) | #342F1A | 0.040 |
| Deuteranopia (no green cones) | #302D1D | 0.038 |
| Tritanopia (no blue cones) | #18322D | 0.030 |
| Achromatopsia (no color) | #2E2E2E | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B331C
#1B331C
oklch(29.4% 0.051 145.1)
- #39233A
#39233A
oklch(29.4% 0.051 325.3)
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 #1B331C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.023
- Very Dark Green #062E03 ΔE 0.044
- Dark Forest Green #002D04 ΔE 0.048
- Hunter Green #0B4008 ΔE 0.058
- Jet #212529 ΔE 0.063
- Dark Olive #373E02 ΔE 0.066
- Evergreen #05472A ΔE 0.066
- Forrest Green #154406 ΔE 0.070
Use #1B331C 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.