#255443
Closest named color: Dark Blue Green (#005249). oklch(40.7% 0.06 167.3), rgb(37, 84, 67).
Aa
White text reads best on this color (8.64:1).
About this color
#255443 is a dark, muted green. In OKLCH its lightness is 41%, its chroma 0.060 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.024 away. White text reads best on it, at 8.64:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | muted (0.060) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.42:1 |
| White text | 8.64:1 |
Values
| HEX | #255443 |
| RGB | rgb(37, 84, 67) |
| HSL | hsl(158, 39%, 24%) |
| OKLCH | oklch(40.7% 0.06 167.3) |
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 #255443 | 8.64:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #255443 | 2.42:1 | Fails | Lc 14.5 | Not readable |
| #255443 text on white | 8.64:1 | AAA | Lc 89.5 | Fine for body text |
| #255443 text on black | 2.42:1 | Fails | Lc -12.7 | 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 800.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CEDDD6
oklch(88.4% 0.019 166.3)
-
Step 300
300
#ACC8BC
oklch(80.9% 0.035 167.7)
-
Step 400
400
#7FAC99
oklch(70.6% 0.056 166.9)
-
Step 500
500
#5D9881
oklch(63.2% 0.071 167.4)
-
Step 600
600
#41826A
oklch(55.6% 0.077 167.3)
-
Step 700
700
#326E58
oklch(49.1% 0.073 166.9)
-
Step 800
800 (this color)
#255443
oklch(40.7% 0.06 167.3)
-
Step 900
900
#274A3C
oklch(37.8% 0.048 166.2)
-
Step 950
950
#182B23
oklch(27% 0.029 165.8)
#255443 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) | #524F42 | 0.059 |
| Deuteranopia (no green cones) | #4B4944 | 0.058 |
| Tritanopia (no blue cones) | #13544F | 0.022 |
| Achromatopsia (no color) | #4C4C4C | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255443
#255443
oklch(40.7% 0.06 167.3)
- #613C50
#613C50
oklch(40.7% 0.06 346.5)
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 #255443, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.024
- Dark Slate Gray #2F4F4F ΔE 0.032
- Deep Teal #00555A ΔE 0.039
- Dark Teal #014D4E ΔE 0.041
- Pine #2B5D34 ΔE 0.044
- Spruce #0A5F38 ΔE 0.047
- Dark Green Blue #1F6357 ΔE 0.049
- Evergreen #05472A ΔE 0.060
Use #255443 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.