#225E77
Closest named color: Petrol (#005F6A). oklch(45.5% 0.073 229.2), rgb(34, 94, 119).
Aa
White text reads best on this color (7.15:1).
About this color
#225E77 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 45%, its chroma 0.073 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.029 away. White text reads best on it, at 7.15:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.93:1 |
| White text | 7.15:1 |
Values
| HEX | #225E77 |
| RGB | rgb(34, 94, 119) |
| HSL | hsl(198, 56%, 30%) |
| OKLCH | oklch(45.5% 0.073 229.2) |
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 #225E77 | 7.15:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #225E77 | 2.93:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #225E77 text on white | 7.15:1 | AAA | Lc 84.6 | Fine for body text |
| #225E77 text on black | 2.93:1 | Fails | Lc -17.4 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF1
oklch(93.7% 0.013 228.9)
-
Step 200
200
#CADDE6
oklch(88.6% 0.024 227.8)
-
Step 300
300
#A5C6D7
oklch(80.8% 0.043 230.3)
-
Step 400
400
#73A9C3
oklch(70.7% 0.068 229.7)
-
Step 500
500
#4B93B4
oklch(63% 0.087 230.1)
-
Step 600
600
#287DA0
oklch(55.5% 0.095 229.9)
-
Step 700
700
#196A89
oklch(49.2% 0.088 229.2)
-
Step 800
800 (this color)
#225E77
oklch(45.5% 0.073 229.2)
-
Step 900
900
#1C475A
oklch(37.7% 0.057 230)
-
Step 950
950
#122A35
oklch(27.1% 0.036 229.8)
#225E77 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) | #515C78 | 0.052 |
| Deuteranopia (no green cones) | #455477 | 0.044 |
| Tritanopia (no blue cones) | #006566 | 0.044 |
| Achromatopsia (no color) | #585858 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #225E77
#225E77
oklch(45.5% 0.073 229.2)
- #774A30
#774A30
oklch(45.5% 0.073 50.1)
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 #225E77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.029
- YInMn Blue #415A77 ΔE 0.031
- Light Navy Blue #2E5A88 ΔE 0.036
- Deep Sea Blue #015482 ΔE 0.044
- Denim #3B638C ΔE 0.045
- Dark Aqua #05696B ΔE 0.046
- Peacock Blue #016795 ΔE 0.050
- Light Navy #155084 ΔE 0.055
Use #225E77 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.