#28CBC7
Closest named color: Dark Turquoise (#00CED1). oklch(76.4% 0.125 192.2), rgb(40, 203, 199).
Aa
Black text reads best on this color (10.45:1).
About this color
#28CBC7 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 76%, its chroma 0.125 and its hue 192°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Turquoise (#00CED1), ΔE 0.014 away. Black text reads best on it, at 10.45:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Dark Turquoise (#00CED1) |
| Black text | 10.45:1 |
| White text | 2.00:1 |
Values
| HEX | #28CBC7 |
| RGB | rgb(40, 203, 199) |
| HSL | hsl(179, 67%, 48%) |
| OKLCH | oklch(76.4% 0.125 192.2) |
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 #28CBC7 | 2.00:1 | Fails | Lc -42.9 | Non-text elements, placeholder text |
| Black text on #28CBC7 | 10.45:1 | AAA | Lc 65.5 | Content text, not long reading |
| #28CBC7 text on white | 2.00:1 | Fails | Lc 38.4 | Non-text elements, placeholder text |
| #28CBC7 text on black | 10.45:1 | AAA | Lc -63.9 | 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 300.
-
Step 50
50
#EAF9F8
oklch(97.1% 0.016 192.1)
-
Step 100
100
#CFF2F0
oklch(93.6% 0.036 192.3)
-
Step 200
200
#A3E8E5
oklch(88.4% 0.069 192.6)
-
Step 300
300 (this color)
#28CBC7
oklch(76.4% 0.125 192.2)
-
Step 400
400
#00B8B4
oklch(70.7% 0.121 192)
-
Step 500
500
#009E9A
oklch(63.2% 0.109 191.6)
-
Step 600
600
#008582
oklch(55.7% 0.096 192)
-
Step 700
700
#006F6D
oklch(49% 0.084 192.6)
-
Step 800
800
#005B59
oklch(42.6% 0.073 192.2)
-
Step 900
900
#004C4A
oklch(37.6% 0.065 191.7)
-
Step 950
950
#002D2C
oklch(26.9% 0.046 192.5)
#28CBC7 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) | #BEC0C7 | 0.131 |
| Deuteranopia (no green cones) | #A8B0C8 | 0.123 |
| Tritanopia (no blue cones) | #00D1C9 | 0.016 |
| Achromatopsia (no color) | #B7B7B7 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28CBC7
#28CBC7
oklch(76.4% 0.125 192.2)
- #F6909D
#F6909D
oklch(76.4% 0.124 12.2)
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 #28CBC7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Turquoise #00CED1 ΔE 0.014
- Medium Turquoise #48D1CC ΔE 0.024
- Medium Aquamarine #66CDAA ΔE 0.051
- Aqua Blue #02D8E9 ΔE 0.052
- Topaz #13BBAF ΔE 0.052
- Seafoam Blue #78D1B6 ΔE 0.058
- Turquoise #40E0D0 ΔE 0.061
- Pale Teal #82CBB2 ΔE 0.062
Use #28CBC7 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.