#28644B
Closest named color: Dark Green Blue (#1F6357). oklch(45.6% 0.075 163.3), rgb(40, 100, 75).
Aa
White text reads best on this color (6.96:1).
About this color
#28644B is a medium-dark, moderately saturated green. In OKLCH its lightness is 46%, its chroma 0.075 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.021 away. White text reads best on it, at 6.96:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.01:1 |
| White text | 6.96:1 |
Values
| HEX | #28644B |
| RGB | rgb(40, 100, 75) |
| HSL | hsl(155, 43%, 27%) |
| OKLCH | oklch(45.6% 0.075 163.3) |
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 #28644B | 6.96:1 | AA | Lc -88.9 | Fine for body text |
| Black text on #28644B | 3.01:1 | AA large text | Lc 20.1 | Dividers and decoration only |
| #28644B text on white | 6.96:1 | AA | Lc 83.9 | Fine for body text |
| #28644B text on black | 3.01:1 | AA large text | Lc -18.1 | Dividers and decoration only |
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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE7
oklch(93.7% 0.013 159.9)
-
Step 200
200
#CBDED5
oklch(88.4% 0.024 165.8)
-
Step 300
300
#A8CAB9
oklch(80.9% 0.043 163.6)
-
Step 400
400
#77AF94
oklch(70.7% 0.071 163)
-
Step 500
500
#519B7A
oklch(63.2% 0.09 163)
-
Step 600
600
#308563
oklch(55.6% 0.098 163.4)
-
Step 700
700
#227152
oklch(49.2% 0.091 163.1)
-
Step 800
800 (this color)
#28644B
oklch(45.6% 0.075 163.3)
-
Step 900
900
#204B39
oklch(37.6% 0.058 163.9)
-
Step 950
950
#142C21
oklch(27% 0.037 162.7)
#28644B 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) | #625D4A | 0.073 |
| Deuteranopia (no green cones) | #5A574D | 0.071 |
| Tritanopia (no blue cones) | #0E645D | 0.030 |
| Achromatopsia (no color) | #595959 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28644B
#28644B
oklch(45.6% 0.075 163.3)
- #744562
#744562
oklch(45.5% 0.076 342.9)
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 #28644B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.021
- Pine #2B5D34 ΔE 0.034
- Spruce #0A5F38 ΔE 0.038
- Dark Aqua #05696B ΔE 0.048
- Petrol #005F6A ΔE 0.059
- Camo Green #526525 ΔE 0.062
- Dark Aquamarine #017371 ΔE 0.063
- Army Green #4B5D16 ΔE 0.063
Use #28644B 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.