#25877C
Closest named color: Dark Cyan (#008B8B). oklch(56.6% 0.089 184.1), rgb(37, 135, 124).
Aa
Black text reads best on this color (4.83:1).
About this color
#25877C is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.089 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.023 away. Black text reads best on it, at 4.83:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 4.83:1 |
| White text | 4.34:1 |
Values
| HEX | #25877C |
| RGB | rgb(37, 135, 124) |
| HSL | hsl(173, 57%, 34%) |
| OKLCH | oklch(56.6% 0.089 184.1) |
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 #25877C | 4.34:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #25877C | 4.83:1 | AA | Lc 34.3 | Non-text elements, placeholder text |
| #25877C text on white | 4.34:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #25877C text on black | 4.83:1 | AA | Lc -31.9 | 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
#A5CAC3
oklch(81% 0.041 182.5)
-
Step 400
400
#71AEA5
oklch(70.7% 0.065 184.2)
-
Step 500
500
#479A8F
oklch(63.1% 0.083 183.9)
-
Step 600
600 (this color)
#25877C
oklch(56.6% 0.089 184.1)
-
Step 700
700
#0F7066
oklch(49.2% 0.083 183.8)
-
Step 800
800
#135B53
oklch(42.7% 0.069 183.9)
-
Step 900
900
#1A4B45
oklch(37.8% 0.053 184.2)
-
Step 950
950
#112C28
oklch(27% 0.034 182.9)
#25877C 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) | #807F7C | 0.095 |
| Deuteranopia (no green cones) | #72757D | 0.089 |
| Tritanopia (no blue cones) | #008A83 | 0.013 |
| Achromatopsia (no color) | #797979 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25877C
#25877C
oklch(56.6% 0.089 184.1)
- #A25F70
#A25F70
oklch(56.6% 0.089 4)
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 #25877C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.023
- Teal #008080 ΔE 0.028
- Dusty Teal #4C9085 ΔE 0.044
- Bluegreen #017A79 ΔE 0.044
- Teal Green #0A9396 ΔE 0.044
- Viridian #1E9167 ΔE 0.051
- Deep Aqua #08787F ΔE 0.052
- Teal Blue #01889F ΔE 0.054
Use #25877C 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.