#228690
Closest named color: Dark Cyan (#008B8B). oklch(57% 0.088 205.1), rgb(34, 134, 144).
Aa
Black text reads best on this color (4.88:1).
About this color
#228690 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.088 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.021 away. Black text reads best on it, at 4.88:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 4.88:1 |
| White text | 4.30:1 |
Values
| HEX | #228690 |
| RGB | rgb(34, 134, 144) |
| HSL | hsl(185, 62%, 35%) |
| OKLCH | oklch(57% 0.088 205.1) |
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 #228690 | 4.30:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #228690 | 4.88:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #228690 text on white | 4.30:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #228690 text on black | 4.88:1 | AA | Lc -32.3 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#C9DEE0
oklch(88.6% 0.023 203.7)
-
Step 300
300
#A4C9CD
oklch(81% 0.04 204.5)
-
Step 400
400
#70ACB3
oklch(70.6% 0.063 205.2)
-
Step 500
500
#4498A1
oklch(63.2% 0.082 204.8)
-
Step 600
600 (this color)
#228690
oklch(57% 0.088 205.1)
-
Step 700
700
#086E77
oklch(49.2% 0.082 205)
-
Step 800
800
#0F5961
oklch(42.6% 0.068 206.2)
-
Step 900
900
#184A4F
oklch(37.8% 0.053 204.5)
-
Step 950
950
#102B2E
oklch(27% 0.033 205.1)
#228690 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) | #7A8091 | 0.086 |
| Deuteranopia (no green cones) | #6B7590 | 0.080 |
| Tritanopia (no blue cones) | #008C89 | 0.025 |
| Achromatopsia (no color) | #7A7A7A | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #228690
#228690
oklch(57% 0.088 205.1)
- #A5625D
#A5625D
oklch(57% 0.088 24.8)
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 #228690, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.021
- Teal Blue #01889F ΔE 0.023
- Teal #008080 ΔE 0.031
- Teal Green #0A9396 ΔE 0.037
- Ocean #017B92 ΔE 0.038
- Deep Aqua #08787F ΔE 0.048
- Bluegreen #017A79 ΔE 0.049
- Cerulean #457B9D ΔE 0.049
Use #228690 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.