#225E4B
Closest named color: Dark Green Blue (#1F6357). oklch(43.7% 0.07 169), rgb(34, 94, 75).
Aa
White text reads best on this color (7.57:1).
About this color
#225E4B is a dark, muted green. In OKLCH its lightness is 44%, its chroma 0.070 and its hue 169°. 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 7.57:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | muted (0.070) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.77:1 |
| White text | 7.57:1 |
Values
| HEX | #225E4B |
| RGB | rgb(34, 94, 75) |
| HSL | hsl(161, 47%, 25%) |
| OKLCH | oklch(43.7% 0.07 169) |
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 #225E4B | 7.57:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #225E4B | 2.77:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #225E4B text on white | 7.57:1 | AAA | Lc 86.1 | Fine for body text |
| #225E4B text on black | 2.77:1 | Fails | Lc -15.9 | 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
#CBDED6
oklch(88.4% 0.023 168.7)
-
Step 300
300
#A8CABC
oklch(81% 0.041 168.4)
-
Step 400
400
#77AE9A
oklch(70.7% 0.065 169.7)
-
Step 500
500
#519A81
oklch(63.1% 0.083 169.2)
-
Step 600
600
#31846A
oklch(55.5% 0.09 169.1)
-
Step 700
700
#227058
oklch(49.1% 0.085 168.6)
-
Step 800
800 (this color)
#225E4B
oklch(43.7% 0.07 169)
-
Step 900
900
#204B3D
oklch(37.8% 0.054 169.6)
-
Step 950
950
#142C23
oklch(27% 0.035 167.4)
#225E4B 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) | #5C584A | 0.071 |
| Deuteranopia (no green cones) | #53514C | 0.069 |
| Tritanopia (no blue cones) | #005F59 | 0.024 |
| Achromatopsia (no color) | #545454 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #225E4B
#225E4B
oklch(43.7% 0.07 169)
- #6E4158
#6E4158
oklch(43.6% 0.07 348.4)
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 #225E4B, 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 0.033
- Spruce #0A5F38 ΔE 0.035
- Dark Blue Green #005249 ΔE 0.046
- Deep Teal #00555A ΔE 0.048
- Petrol #005F6A ΔE 0.050
- Dark Aqua #05696B ΔE 0.052
- Dark Slate Gray #2F4F4F ΔE 0.052
Use #225E4B 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.