#28523C
Closest named color: Dark Blue Green (#005249). oklch(40.1% 0.061 159.1), rgb(40, 82, 60).
Aa
White text reads best on this color (8.88:1).
About this color
#28523C is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.061 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.029 away. White text reads best on it, at 8.88:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.061) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.36:1 |
| White text | 8.88:1 |
Values
| HEX | #28523C |
| RGB | rgb(40, 82, 60) |
| HSL | hsl(149, 34%, 24%) |
| OKLCH | oklch(40.1% 0.061 159.1) |
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 #28523C | 8.88:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #28523C | 2.36:1 | Fails | Lc 13.7 | Not readable |
| #28523C text on white | 8.88:1 | AAA | Lc 90.2 | Preferred for body text |
| #28523C text on black | 2.36:1 | Fails | Lc -12.1 | 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
#E3EDE7
oklch(93.7% 0.013 159.9)
-
Step 200
200
#CCDFD3
oklch(88.6% 0.026 158.1)
-
Step 300
300
#A9CAB6
oklch(80.9% 0.045 158.6)
-
Step 400
400
#79AF90
oklch(70.7% 0.073 158.7)
-
Step 500
500
#539B75
oklch(63.2% 0.093 159.1)
-
Step 600
600
#34855D
oklch(55.6% 0.101 158.8)
-
Step 700
700
#25714D
oklch(49.2% 0.095 159.1)
-
Step 800
800
#215C3F
oklch(42.7% 0.078 158.9)
-
Step 900
900 (this color)
#28523C
oklch(40.1% 0.061 159.1)
-
Step 950
950
#142C20
oklch(26.9% 0.038 160.6)
#28523C 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) | #514D3B | 0.056 |
| Deuteranopia (no green cones) | #4B483D | 0.055 |
| Tritanopia (no blue cones) | #1D524C | 0.027 |
| Achromatopsia (no color) | #4A4A4A | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28523C
#28523C
oklch(40.1% 0.061 159.1)
- #5E3B53
#5E3B53
oklch(40.2% 0.061 339.2)
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 #28523C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.029
- Dark Slate Gray #2F4F4F ΔE 0.038
- Pine #2B5D34 ΔE 0.042
- Dark Teal #014D4E ΔE 0.045
- Spruce #0A5F38 ΔE 0.047
- Deep Teal #00555A ΔE 0.049
- Evergreen #05472A ΔE 0.053
- Navy Green #35530A ΔE 0.057
Use #28523C 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.