#28523F
Closest named color: Dark Blue Green (#005249). oklch(40.2% 0.058 162.7), rgb(40, 82, 63).
Aa
White text reads best on this color (8.86:1).
About this color
#28523F is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.058 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.027 away. White text reads best on it, at 8.86:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.36:1 |
| White text | 8.86:1 |
Values
| HEX | #28523F |
| RGB | rgb(40, 82, 63) |
| HSL | hsl(153, 34%, 24%) |
| OKLCH | oklch(40.2% 0.058 162.7) |
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 #28523F | 8.86:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #28523F | 2.36:1 | Fails | Lc 13.8 | Not readable |
| #28523F text on white | 8.86:1 | AAA | Lc 90.2 | Preferred for body text |
| #28523F 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
#CCDED4
oklch(88.4% 0.024 161.7)
-
Step 300
300
#A8CAB8
oklch(80.9% 0.044 162.2)
-
Step 400
400
#78AF94
oklch(70.8% 0.07 162.6)
-
Step 500
500
#539A7A
oklch(63% 0.087 163)
-
Step 600
600
#338563
oklch(55.7% 0.096 162.9)
-
Step 700
700
#257052
oklch(49% 0.088 163.1)
-
Step 800
800
#215C43
oklch(42.9% 0.075 162.4)
-
Step 900
900 (this color)
#28523F
oklch(40.2% 0.058 162.7)
-
Step 950
950
#142C21
oklch(27% 0.037 162.7)
#28523F 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) | #514D3E | 0.056 |
| Deuteranopia (no green cones) | #4A4840 | 0.054 |
| Tritanopia (no blue cones) | #1B524D | 0.024 |
| Achromatopsia (no color) | #4A4A4A | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28523F
#28523F
oklch(40.2% 0.058 162.7)
- #5E3B51
#5E3B51
oklch(40.1% 0.059 341.9)
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 #28523F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.027
- Dark Slate Gray #2F4F4F ΔE 0.033
- Dark Teal #014D4E ΔE 0.042
- Deep Teal #00555A ΔE 0.045
- Pine #2B5D34 ΔE 0.045
- Spruce #0A5F38 ΔE 0.050
- Evergreen #05472A ΔE 0.055
- Dark Green Blue #1F6357 ΔE 0.056
Use #28523F 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.