#1B4331
Closest named color: Evergreen (#05472A). oklch(34.8% 0.056 162), rgb(27, 67, 49).
Aa
White text reads best on this color (11.08:1).
About this color
#1B4331 is a dark, muted green. In OKLCH its lightness is 35%, its chroma 0.056 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Evergreen (#05472A), ΔE 0.025 away. White text reads best on it, at 11.08:1.
| Hue family | Greens |
| Lightness | dark (35%) |
| Chroma | muted (0.056) |
| Temperature | in between |
| Nearest name | Evergreen (#05472A) |
| Black text | 1.89:1 |
| White text | 11.08:1 |
Values
| HEX | #1B4331 |
| RGB | rgb(27, 67, 49) |
| HSL | hsl(153, 43%, 18%) |
| OKLCH | oklch(34.8% 0.056 162) |
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 #1B4331 | 11.08:1 | AAA | Lc -99.3 | Preferred for body text |
| Black text on #1B4331 | 1.89:1 | Fails | Lc 8.4 | Not readable |
| #1B4331 text on white | 11.08:1 | AAA | Lc 95.5 | Preferred for body text |
| #1B4331 text on black | 1.89:1 | 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 900.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3ECE7
oklch(93.5% 0.012 162)
-
Step 200
200
#CCDED4
oklch(88.4% 0.024 161.7)
-
Step 300
300
#AAC9B8
oklch(80.8% 0.041 161.4)
-
Step 400
400
#7BAE94
oklch(70.7% 0.066 161.9)
-
Step 500
500
#569A7A
oklch(63.2% 0.085 162.2)
-
Step 600
600
#388462
oklch(55.6% 0.093 161.7)
-
Step 700
700
#297051
oklch(49.1% 0.087 161.6)
-
Step 800
800
#245B43
oklch(42.7% 0.071 162.3)
-
Step 900
900 (this color)
#1B4331
oklch(34.8% 0.056 162)
-
Step 950
950
#152C21
oklch(27% 0.036 161.9)
#1B4331 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) | #423E30 | 0.054 |
| Deuteranopia (no green cones) | #3C3A32 | 0.052 |
| Tritanopia (no blue cones) | #0D433E | 0.023 |
| Achromatopsia (no color) | #3C3C3C | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B4331
#1B4331
oklch(34.8% 0.056 162)
- #4E2E42
#4E2E42
oklch(34.8% 0.056 342.3)
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 #1B4331, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Evergreen #05472A ΔE 0.025
- Pine Green #0A481E ΔE 0.041
- Pakistan Green #283618 ΔE 0.047
- Dark Teal #014D4E ΔE 0.049
- Dark Blue Green #005249 ΔE 0.053
- Dark Olive #373E02 ΔE 0.055
- Forrest Green #154406 ΔE 0.056
- Hunter Green #0B4008 ΔE 0.056
Use #1B4331 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.