#28877F
Closest named color: Dark Cyan (#008B8B). oklch(56.7% 0.087 186.9), rgb(40, 135, 127).
Aa
Black text reads best on this color (4.86:1).
About this color
#28877F is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.087 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.019 away. Black text reads best on it, at 4.86:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 4.86:1 |
| White text | 4.31:1 |
Values
| HEX | #28877F |
| RGB | rgb(40, 135, 127) |
| HSL | hsl(175, 54%, 34%) |
| OKLCH | oklch(56.7% 0.087 186.9) |
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 #28877F | 4.31:1 | AA large text | Lc -75.1 | Fine for body text |
| Black text on #28877F | 4.86:1 | AA | Lc 34.5 | Non-text elements, placeholder text |
| #28877F text on white | 4.31:1 | AA large text | Lc 69.6 | Content text, not long reading |
| #28877F text on black | 4.86:1 | AA | Lc -32.1 | 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
#CADEDB
oklch(88.5% 0.022 186)
-
Step 300
300
#A5C9C5
oklch(80.9% 0.039 188.1)
-
Step 400
400
#72AEA7
oklch(70.8% 0.063 186.6)
-
Step 500
500
#499991
oklch(63% 0.08 186.7)
-
Step 600
600 (this color)
#28877F
oklch(56.7% 0.087 186.9)
-
Step 700
700
#136F68
oklch(49% 0.081 186.9)
-
Step 800
800
#155B55
oklch(42.8% 0.067 186.5)
-
Step 900
900
#1A4B46
oklch(37.8% 0.053 186)
-
Step 950
950
#112C29
oklch(27.1% 0.034 185.9)
#28877F 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) | #807F7F | 0.093 |
| Deuteranopia (no green cones) | #727580 | 0.088 |
| Tritanopia (no blue cones) | #008A84 | 0.013 |
| Achromatopsia (no color) | #7A7A7A | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28877F
#28877F
oklch(56.7% 0.087 186.9)
- #A2606E
#A2606E
oklch(56.7% 0.087 6.5)
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 #28877F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.019
- Teal #008080 ΔE 0.028
- Dusty Teal #4C9085 ΔE 0.041
- Teal Green #0A9396 ΔE 0.041
- Bluegreen #017A79 ΔE 0.044
- Teal Blue #01889F ΔE 0.049
- Deep Aqua #08787F ΔE 0.051
- Viridian #1E9167 ΔE 0.055
Use #28877F 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.