#0B4E39
Closest named color: Dark Blue Green (#005249). oklch(37.8% 0.073 166.2), rgb(11, 78, 57).
Aa
White text reads best on this color (9.70:1).
About this color
#0B4E39 is a dark, moderately saturated green. In OKLCH its lightness is 38%, its chroma 0.073 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.025 away. White text reads best on it, at 9.70:1.
| Hue family | Greens |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.16:1 |
| White text | 9.70:1 |
Values
| HEX | #0B4E39 |
| RGB | rgb(11, 78, 57) |
| HSL | hsl(161, 75%, 17%) |
| OKLCH | oklch(37.8% 0.073 166.2) |
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 #0B4E39 | 9.70:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #0B4E39 | 2.16:1 | Fails | Lc 11.8 | Not readable |
| #0B4E39 text on white | 9.70:1 | AAA | Lc 92.1 | Preferred for body text |
| #0B4E39 text on black | 2.16:1 | Fails | Lc -10.3 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE7
oklch(93.5% 0.015 164.7)
-
Step 200
200
#C7E0D5
oklch(88.5% 0.03 167.4)
-
Step 300
300
#A0CCB9
oklch(80.8% 0.054 166.8)
-
Step 400
400
#67B294
oklch(70.6% 0.088 166.3)
-
Step 500
500
#339F7A
oklch(63.2% 0.113 166.2)
-
Step 600
600
#008864
oklch(55.6% 0.115 166.4)
-
Step 700
700
#007253
oklch(49% 0.101 166.2)
-
Step 800
800
#005E44
oklch(42.7% 0.088 166.3)
-
Step 900
900 (this color)
#0B4E39
oklch(37.8% 0.073 166.2)
-
Step 950
950
#0B2E21
oklch(27.2% 0.047 165.1)
#0B4E39 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) | #4C4838 | 0.073 |
| Deuteranopia (no green cones) | #44423A | 0.070 |
| Tritanopia (no blue cones) | #004E48 | 0.025 |
| Achromatopsia (no color) | #444444 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B4E39
#0B4E39
oklch(37.8% 0.073 166.2)
- #5D314A
#5D314A
oklch(37.8% 0.072 346)
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 #0B4E39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.025
- Evergreen #05472A ΔE 0.030
- Dark Teal #014D4E ΔE 0.037
- Pine Green #0A481E ΔE 0.040
- Dark Slate Gray #2F4F4F ΔE 0.051
- Deep Teal #00555A ΔE 0.053
- British Racing Green #05480D ΔE 0.057
- Spruce #0A5F38 ΔE 0.058
Use #0B4E39 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.