#285F4B
Closest named color: Dark Green Blue (#1F6357). oklch(44.2% 0.068 166.8), rgb(40, 95, 75).
Aa
White text reads best on this color (7.42:1).
About this color
#285F4B is a dark, muted green. In OKLCH its lightness is 44%, its chroma 0.068 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.019 away. White text reads best on it, at 7.42:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.82:1 |
| White text | 7.42:1 |
Values
| HEX | #285F4B |
| RGB | rgb(40, 95, 75) |
| HSL | hsl(158, 41%, 26%) |
| OKLCH | oklch(44.2% 0.068 166.8) |
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 #285F4B | 7.42:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #285F4B | 2.82:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #285F4B text on white | 7.42:1 | AAA | Lc 85.6 | Fine for body text |
| #285F4B text on black | 2.82:1 | Fails | Lc -16.4 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CCDED6
oklch(88.5% 0.022 167.4)
-
Step 300
300
#A9C9BB
oklch(80.8% 0.04 167.1)
-
Step 400
400
#7AAE98
oklch(70.8% 0.064 166.4)
-
Step 500
500
#55997F
oklch(63% 0.081 167.1)
-
Step 600
600
#378468
oklch(55.7% 0.088 166.5)
-
Step 700
700
#286F57
oklch(49% 0.081 167.4)
-
Step 800
800 (this color)
#285F4B
oklch(44.2% 0.068 166.8)
-
Step 900
900
#234B3C
oklch(37.9% 0.053 166.9)
-
Step 950
950
#152C23
oklch(27.1% 0.034 166.7)
#285F4B 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) | #5D594A | 0.068 |
| Deuteranopia (no green cones) | #55534C | 0.065 |
| Tritanopia (no blue cones) | #105F59 | 0.025 |
| Achromatopsia (no color) | #555555 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285F4B
#285F4B
oklch(44.2% 0.068 166.8)
- #6E435A
#6E435A
oklch(44.1% 0.068 346.9)
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 #285F4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.019
- Pine #2B5D34 ΔE 0.033
- Spruce #0A5F38 ΔE 0.037
- Dark Aqua #05696B ΔE 0.051
- Petrol #005F6A ΔE 0.052
- Dark Blue Green #005249 ΔE 0.052
- Deep Teal #00555A ΔE 0.053
- Dark Slate Gray #2F4F4F ΔE 0.055
Use #285F4B 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.