#225F6D
Closest named color: Petrol (#005F6A). oklch(45.3% 0.065 215.7), rgb(34, 95, 109).
Aa
White text reads best on this color (7.17:1).
About this color
#225F6D is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.065 and its hue 216°. 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 7.17:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.92:1 |
| White text | 7.17:1 |
Values
| HEX | #225F6D |
| RGB | rgb(34, 95, 109) |
| HSL | hsl(191, 52%, 28%) |
| OKLCH | oklch(45.3% 0.065 215.7) |
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 #225F6D | 7.17:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #225F6D | 2.92:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #225F6D text on white | 7.17:1 | AAA | Lc 84.7 | Fine for body text |
| #225F6D text on black | 2.92:1 | Fails | Lc -17.3 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CADDE2
oklch(88.5% 0.022 215.3)
-
Step 300
300
#A6C7D0
oklch(80.8% 0.038 216.1)
-
Step 400
400
#74ABB9
oklch(70.8% 0.061 215.4)
-
Step 500
500
#4C95A7
oklch(63% 0.077 215.9)
-
Step 600
600
#298093
oklch(55.7% 0.085 215.4)
-
Step 700
700
#1A6C7D
oklch(49.2% 0.079 215.2)
-
Step 800
800 (this color)
#225F6D
oklch(45.3% 0.065 215.7)
-
Step 900
900
#1C4853
oklch(37.6% 0.051 216.8)
-
Step 950
950
#122A30
oklch(26.8% 0.032 216)
#225F6D 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) | #555C6E | 0.058 |
| Deuteranopia (no green cones) | #4B546D | 0.053 |
| Tritanopia (no blue cones) | #006463 | 0.030 |
| Achromatopsia (no color) | #575757 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #225F6D
#225F6D
oklch(45.3% 0.065 215.7)
- #76493C
#76493C
oklch(45.4% 0.065 36.9)
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 #225F6D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.016
- Dark Aqua #05696B ΔE 0.034
- YInMn Blue #415A77 ΔE 0.040
- Dark Green Blue #1F6357 ΔE 0.043
- Deep Teal #00555A ΔE 0.047
- Light Navy Blue #2E5A88 ΔE 0.053
- Slate #516572 ΔE 0.057
- Denim #3B638C ΔE 0.058
Use #225F6D 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.