#28C2D2
Closest named color: Dark Turquoise (#00CED1). oklch(74.6% 0.121 205.9), rgb(40, 194, 210).
Aa
Black text reads best on this color (9.73:1).
About this color
#28C2D2 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.121 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Turquoise (#00CED1), ΔE 0.034 away. Black text reads best on it, at 9.73:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Dark Turquoise (#00CED1) |
| Black text | 9.73:1 |
| White text | 2.15:1 |
Values
| HEX | #28C2D2 |
| RGB | rgb(40, 194, 210) |
| HSL | hsl(186, 68%, 49%) |
| OKLCH | oklch(74.6% 0.121 205.9) |
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 #28C2D2 | 2.15:1 | Fails | Lc -46.6 | Large or bold text, headings |
| Black text on #28C2D2 | 9.73:1 | AAA | Lc 62.1 | Content text, not long reading |
| #28C2D2 text on white | 2.15:1 | Fails | Lc 41.9 | Non-text elements, placeholder text |
| #28C2D2 text on black | 9.73:1 | AAA | Lc -60.3 | Content text, not long reading |
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 400.
-
Step 50
50
#EEF8F9
oklch(97.2% 0.011 204.1)
-
Step 100
100
#DAEEF1
oklch(93.5% 0.022 207.6)
-
Step 200
200
#BAE2E7
oklch(88.6% 0.042 205.7)
-
Step 300
300
#84CFD8
oklch(80.9% 0.075 205.5)
-
Step 400
400 (this color)
#28C2D2
oklch(74.6% 0.121 205.9)
-
Step 500
500
#009BA9
oklch(63% 0.108 206.1)
-
Step 600
600
#00838F
oklch(55.7% 0.095 206.1)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#004B52
oklch(37.7% 0.064 205.5)
-
Step 950
950
#002D31
oklch(27.1% 0.046 204.1)
#28C2D2 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) | #B1BAD3 | 0.118 |
| Deuteranopia (no green cones) | #9AA9D2 | 0.108 |
| Tritanopia (no blue cones) | #00CBC7 | 0.035 |
| Achromatopsia (no color) | #B0B0B0 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28C2D2
#28C2D2
oklch(74.6% 0.121 205.9)
- #EF8D84
#EF8D84
oklch(74.5% 0.121 25.9)
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 #28C2D2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Turquoise #00CED1 ΔE 0.034
- Vivid Sky Blue #4CC9F0 ΔE 0.050
- Medium Turquoise #48D1CC ΔE 0.050
- Turquoise Blue #06B1C4 ΔE 0.051
- Topaz #13BBAF ΔE 0.052
- Aqua Blue #02D8E9 ΔE 0.061
- Bright Sky Blue #02CCFE ΔE 0.063
- Light Sea Green #20B2AA ΔE 0.065
Use #28C2D2 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.