#228899
Closest named color: Teal Blue (#01889F). oklch(57.9% 0.092 211.6), rgb(34, 136, 153).
Aa
Black text reads best on this color (5.04:1).
About this color
#228899 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.092 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.012 away. Black text reads best on it, at 5.04:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.04:1 |
| White text | 4.15:1 |
Values
| HEX | #228899 |
| RGB | rgb(34, 136, 153) |
| HSL | hsl(189, 64%, 37%) |
| OKLCH | oklch(57.9% 0.092 211.6) |
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 #228899 | 4.15:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #228899 | 5.04:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #228899 text on white | 4.15:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #228899 text on black | 5.04:1 | AA | Lc -33.4 | Non-text elements, placeholder text |
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
#F1F6F7
oklch(97% 0.005 211)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C9DEE2
oklch(88.6% 0.023 210.4)
-
Step 300
300
#A3C8D0
oklch(80.9% 0.041 212.3)
-
Step 400
400
#6EACB8
oklch(70.7% 0.066 211.1)
-
Step 500
500
#4297A7
oklch(63.1% 0.084 211.8)
-
Step 600
600 (this color)
#228899
oklch(57.9% 0.092 211.6)
-
Step 700
700
#016D7C
oklch(49.1% 0.085 211.3)
-
Step 800
800
#0C5965
oklch(42.7% 0.07 211.3)
-
Step 900
900
#164952
oklch(37.6% 0.055 211.5)
-
Step 950
950
#0F2B30
oklch(27% 0.035 210.9)
#228899 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) | #7A839A | 0.084 |
| Deuteranopia (no green cones) | #6A7799 | 0.077 |
| Tritanopia (no blue cones) | #008F8D | 0.034 |
| Achromatopsia (no color) | #7C7C7C | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #228899
#228899
oklch(57.9% 0.092 211.6)
- #A96558
#A96558
oklch(57.9% 0.091 31.6)
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 #228899, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.012
- Dark Cyan #008B8B ΔE 0.029
- Teal Green #0A9396 ΔE 0.035
- Blue NCS #118AB2 ΔE 0.038
- Ocean #017B92 ΔE 0.042
- Teal #008080 ΔE 0.044
- Cerulean #457B9D ΔE 0.045
- Stormy Blue #507B9C ΔE 0.050
Use #228899 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.