#1B331F
Closest named color: Pakistan Green (#283618). oklch(29.5% 0.047 148.3), rgb(27, 51, 31).
Aa
White text reads best on this color (13.63:1).
About this color
#1B331F is a dark, muted green. In OKLCH its lightness is 29%, its chroma 0.047 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.024 away. White text reads best on it, at 13.63:1.
| Hue family | Greens |
| Lightness | dark (29%) |
| Chroma | muted (0.047) |
| Temperature | in between |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.53:1 |
| White text | 13.63:1 |
Values
| HEX | #1B331F |
| RGB | rgb(27, 51, 31) |
| HSL | hsl(130, 31%, 15%) |
| OKLCH | oklch(29.5% 0.047 148.3) |
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 #1B331F | 13.63:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #1B331F | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #1B331F text on white | 13.63:1 | AAA | Lc 100.1 | Preferred for body text |
| #1B331F 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE4
oklch(93.6% 0.016 148.4)
-
Step 200
200
#CCDFCE
oklch(88.5% 0.031 148.4)
-
Step 300
300
#A9CBAD
oklch(80.9% 0.055 148.3)
-
Step 400
400
#79B081
oklch(70.6% 0.089 148.3)
-
Step 500
500
#549C61
oklch(63% 0.114 148.3)
-
Step 600
600
#368748
oklch(55.7% 0.124 148.3)
-
Step 700
700
#277239
oklch(49.1% 0.115 148.3)
-
Step 800
800
#225D30
oklch(42.7% 0.095 148.6)
-
Step 900
900
#224C2A
oklch(37.6% 0.074 148.2)
-
Step 950
950 (this color)
#1B331F
oklch(29.5% 0.047 148.3)
#1B331F 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) | #332F1E | 0.038 |
| Deuteranopia (no green cones) | #302D20 | 0.038 |
| Tritanopia (no blue cones) | #17322E | 0.027 |
| Achromatopsia (no color) | #2E2E2E | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B331F
#1B331F
oklch(29.5% 0.047 148.3)
- #392438
#392438
oklch(29.5% 0.046 328.3)
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 #1B331F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.024
- Very Dark Green #062E03 ΔE 0.048
- Dark Forest Green #002D04 ΔE 0.052
- Jet #212529 ΔE 0.059
- Hunter Green #0B4008 ΔE 0.061
- Evergreen #05472A ΔE 0.066
- Gunmetal #293241 ΔE 0.068
- Dark Olive #373E02 ΔE 0.068
Use #1B331F 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.