#225F53
Closest named color: Dark Green Blue (#1F6357). oklch(44.2% 0.066 177.9), rgb(34, 95, 83).
Aa
White text reads best on this color (7.42:1).
About this color
#225F53 is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.066 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.012 away. White text reads best on it, at 7.42:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.82:1 |
| White text | 7.42:1 |
Values
| HEX | #225F53 |
| RGB | rgb(34, 95, 83) |
| HSL | hsl(168, 47%, 25%) |
| OKLCH | oklch(44.2% 0.066 177.9) |
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 #225F53 | 7.42:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #225F53 | 2.82:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #225F53 text on white | 7.42:1 | AAA | Lc 85.6 | Fine for body text |
| #225F53 text on black | 2.82:1 | Fails | Lc -16.5 | 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
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CBDED9
oklch(88.5% 0.021 178.3)
-
Step 300
300
#A7C9C0
oklch(80.8% 0.038 177.5)
-
Step 400
400
#76AEA0
oklch(70.8% 0.062 177)
-
Step 500
500
#4F9989
oklch(63% 0.078 177.8)
-
Step 600
600
#2E8473
oklch(55.7% 0.086 177.4)
-
Step 700
700
#1F6F61
oklch(49% 0.079 178.6)
-
Step 800
800 (this color)
#225F53
oklch(44.2% 0.066 177.9)
-
Step 900
900
#1F4B41
oklch(37.8% 0.052 176.3)
-
Step 950
950
#132C26
oklch(27.1% 0.033 176.2)
#225F53 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) | #5B5952 | 0.069 |
| Deuteranopia (no green cones) | #525354 | 0.065 |
| Tritanopia (no blue cones) | #00605B | 0.017 |
| Achromatopsia (no color) | #555555 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #225F53
#225F53
oklch(44.2% 0.066 177.9)
- #714353
#714353
oklch(44.2% 0.067 357.8)
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 #225F53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.012
- Petrol #005F6A ΔE 0.039
- Dark Aqua #05696B ΔE 0.041
- Deep Teal #00555A ΔE 0.044
- Pine #2B5D34 ΔE 0.045
- Spruce #0A5F38 ΔE 0.047
- Dark Blue Green #005249 ΔE 0.049
- Dark Slate Gray #2F4F4F ΔE 0.051
Use #225F53 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.