#28443A
Closest named color: Charcoal Grey (#3C4142). oklch(36.1% 0.038 169.5), rgb(40, 68, 58).
Aa
White text reads best on this color (10.61:1).
About this color
#28443A is a dark, muted green. In OKLCH its lightness is 36%, its chroma 0.038 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.035 away. White text reads best on it, at 10.61:1.
| Hue family | Greens |
| Lightness | dark (36%) |
| Chroma | muted (0.038) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.97:1 |
| White text | 10.61:1 |
Values
| HEX | #28443A |
| RGB | rgb(40, 68, 58) |
| HSL | hsl(159, 26%, 21%) |
| OKLCH | oklch(36.1% 0.038 169.5) |
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 #28443A | 10.61:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #28443A | 1.97:1 | Fails | Lc 9.4 | Not readable |
| #28443A text on white | 10.61:1 | AAA | Lc 94.6 | Preferred for body text |
| #28443A text on black | 1.97:1 | Fails | Lc -8.0 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECE9
oklch(93.7% 0.008 168.7)
-
Step 200
200
#CFDDD7
oklch(88.5% 0.017 168.4)
-
Step 300
300
#AFC7BD
oklch(80.9% 0.03 168.6)
-
Step 400
400
#85AA9C
oklch(70.7% 0.045 169.9)
-
Step 500
500
#659584
oklch(63% 0.058 170.3)
-
Step 600
600
#4B806D
oklch(55.7% 0.065 169)
-
Step 700
700
#3C6C5B
oklch(49.2% 0.06 169)
-
Step 800
800
#32584B
oklch(42.8% 0.049 170)
-
Step 900
900 (this color)
#28443A
oklch(36.1% 0.038 169.5)
-
Step 950
950
#1A2A24
oklch(26.9% 0.024 169.1)
#28443A 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) | #43413A | 0.040 |
| Deuteranopia (no green cones) | #3E3D3B | 0.038 |
| Tritanopia (no blue cones) | #204441 | 0.014 |
| Achromatopsia (no color) | #3E3E3E | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28443A
#28443A
oklch(36.1% 0.038 169.5)
- #4D3540
#4D3540
oklch(36% 0.038 350.1)
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 #28443A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.035
- Dark Teal #014D4E ΔE 0.040
- Onyx #343A40 ΔE 0.041
- Charcoal #264653 ΔE 0.042
- Evergreen #05472A ΔE 0.044
- Dark Slate Gray #2F4F4F ΔE 0.046
- Dark Blue Green #005249 ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.053
Use #28443A 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.