#225F65
Closest named color: Petrol (#005F6A). oklch(44.9% 0.062 204.3), rgb(34, 95, 101).
Aa
White text reads best on this color (7.25:1).
About this color
#225F65 is a dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.062 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.016 away. White text reads best on it, at 7.25:1.
| Hue family | Teals and cyans |
| Lightness | dark (45%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.89:1 |
| White text | 7.25:1 |
Values
| HEX | #225F65 |
| RGB | rgb(34, 95, 101) |
| HSL | hsl(185, 50%, 26%) |
| OKLCH | oklch(44.9% 0.062 204.3) |
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 #225F65 | 7.25:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #225F65 | 2.89:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #225F65 text on white | 7.25:1 | AAA | Lc 85.0 | Fine for body text |
| #225F65 text on black | 2.89:1 | Fails | Lc -17.0 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CBDDDF
oklch(88.5% 0.019 204.8)
-
Step 300
300
#A6C8CB
oklch(80.9% 0.037 203)
-
Step 400
400
#75ACB1
oklch(70.8% 0.058 203.1)
-
Step 500
500
#4D979E
oklch(63.2% 0.074 203.6)
-
Step 600
600
#2B8189
oklch(55.6% 0.081 204)
-
Step 700
700
#1C6D74
oklch(49.1% 0.075 203.6)
-
Step 800
800 (this color)
#225F65
oklch(44.9% 0.062 204.3)
-
Step 900
900
#1D494D
oklch(37.6% 0.049 203.4)
-
Step 950
950
#122B2D
oklch(27% 0.031 202.3)
#225F65 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) | #575B65 | 0.061 |
| Deuteranopia (no green cones) | #4D5465 | 0.056 |
| Tritanopia (no blue cones) | #006361 | 0.021 |
| Achromatopsia (no color) | #575757 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #225F65
#225F65
oklch(44.9% 0.062 204.3)
- #744744
#744744
oklch(44.9% 0.062 24)
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 #225F65, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.016
- Dark Green Blue #1F6357 ΔE 0.030
- Dark Aqua #05696B ΔE 0.031
- Deep Teal #00555A ΔE 0.041
- YInMn Blue #415A77 ΔE 0.050
- Dark Slate Gray #2F4F4F ΔE 0.053
- Dark Aquamarine #017371 ΔE 0.060
- Deep Turquoise #017374 ΔE 0.060
Use #225F65 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.