#227A88
Closest named color: Ocean (#017B92). oklch(53.5% 0.082 210.5), rgb(34, 122, 136).
Aa
White text reads best on this color (4.99:1).
About this color
#227A88 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.082 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.017 away. White text reads best on it, at 4.99:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.20:1 |
| White text | 4.99:1 |
Values
| HEX | #227A88 |
| RGB | rgb(34, 122, 136) |
| HSL | hsl(188, 60%, 33%) |
| OKLCH | oklch(53.5% 0.082 210.5) |
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 #227A88 | 4.99:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #227A88 | 4.20:1 | AA large text | Lc 29.9 | Dividers and decoration only |
| #227A88 text on white | 4.99:1 | AA | Lc 74.2 | Content text, not long reading |
| #227A88 text on black | 4.20:1 | AA large text | Lc -27.5 | 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 600.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CADDE1
oklch(88.5% 0.021 211.8)
-
Step 300
300
#A6C8CE
oklch(81% 0.037 209.5)
-
Step 400
400
#74ABB5
oklch(70.7% 0.059 210.1)
-
Step 500
500
#4C96A3
oklch(63.1% 0.076 210.4)
-
Step 600
600 (this color)
#227A88
oklch(53.5% 0.082 210.5)
-
Step 700
700
#1B6C79
oklch(49% 0.077 210.8)
-
Step 800
800
#1A5862
oklch(42.6% 0.063 210.3)
-
Step 900
900
#1D4950
oklch(37.8% 0.049 209.3)
-
Step 950
950
#122B2F
oklch(27.1% 0.032 209)
#227A88 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) | #6E7589 | 0.077 |
| Deuteranopia (no green cones) | #606B88 | 0.070 |
| Tritanopia (no blue cones) | #00807E | 0.030 |
| Achromatopsia (no color) | #6F6F6F | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #227A88
#227A88
oklch(53.5% 0.082 210.5)
- #975B50
#975B50
oklch(53.6% 0.082 31.1)
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 #227A88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.017
- Deep Aqua #08787F ΔE 0.019
- Teal #008080 ΔE 0.027
- Bluegreen #017A79 ΔE 0.028
- Sea Blue #047495 ΔE 0.033
- Deep Turquoise #017374 ΔE 0.039
- Dark Aquamarine #017371 ΔE 0.042
- Metallic Blue #4F738E ΔE 0.044
Use #227A88 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.