#28837D
Closest named color: Teal (#008080). oklch(55.6% 0.084 188.7), rgb(40, 131, 125).
Aa
Black text reads best on this color (4.63:1).
About this color
#28837D is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.084 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.018 away. Black text reads best on it, at 4.63:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.63:1 |
| White text | 4.53:1 |
Values
| HEX | #28837D |
| RGB | rgb(40, 131, 125) |
| HSL | hsl(176, 53%, 34%) |
| OKLCH | oklch(55.6% 0.084 188.7) |
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 #28837D | 4.53:1 | AA | Lc -76.6 | Fine for body text |
| Black text on #28837D | 4.63:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #28837D text on white | 4.53:1 | AA | Lc 71.2 | Content text, not long reading |
| #28837D text on black | 4.63:1 | AA | Lc -30.5 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CADEDC
oklch(88.5% 0.022 189.5)
-
Step 300
300
#A6C9C5
oklch(80.9% 0.038 187.9)
-
Step 400
400
#74ADA8
oklch(70.7% 0.06 189)
-
Step 500
500
#4B9993
oklch(63.2% 0.078 188.8)
-
Step 600
600 (this color)
#28837D
oklch(55.6% 0.084 188.7)
-
Step 700
700
#186F69
oklch(49.2% 0.079 187.9)
-
Step 800
800
#185A56
oklch(42.6% 0.065 189.1)
-
Step 900
900
#1C4A47
oklch(37.6% 0.05 189.4)
-
Step 950
950
#122B29
oklch(26.8% 0.031 188.7)
#28837D 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) | #7C7C7D | 0.089 |
| Deuteranopia (no green cones) | #6E727E | 0.084 |
| Tritanopia (no blue cones) | #008681 | 0.013 |
| Achromatopsia (no color) | #767676 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28837D
#28837D
oklch(55.6% 0.084 188.7)
- #9D5E69
#9D5E69
oklch(55.6% 0.083 8.8)
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 #28837D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.018
- Dark Cyan #008B8B ΔE 0.027
- Bluegreen #017A79 ΔE 0.033
- Deep Aqua #08787F ΔE 0.040
- Ocean #017B92 ΔE 0.049
- Teal Blue #01889F ΔE 0.051
- Teal Green #0A9396 ΔE 0.051
- Dusty Teal #4C9085 ΔE 0.051
Use #28837D 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.