#25867B
Closest named color: Dark Cyan (#008B8B). oklch(56.3% 0.089 184), rgb(37, 134, 123).
Aa
Black text reads best on this color (4.77:1).
About this color
#25867B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, 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 0.024 away. Black text reads best on it, at 4.77:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 4.77:1 |
| White text | 4.39:1 |
Values
| HEX | #25867B |
| RGB | rgb(37, 134, 123) |
| HSL | hsl(173, 57%, 34%) |
| OKLCH | oklch(56.3% 0.089 184) |
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 #25867B | 4.39:1 | AA large text | Lc -75.6 | Fine for body text |
| Black text on #25867B | 4.77:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #25867B text on white | 4.39:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #25867B text on black | 4.77:1 | AA | Lc -31.5 | 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
#CADEDB
oklch(88.5% 0.022 186)
-
Step 300
300
#A5C9C3
oklch(80.8% 0.039 184.1)
-
Step 400
400
#72AEA5
oklch(70.7% 0.064 184.1)
-
Step 500
500
#489A8F
oklch(63.2% 0.082 183.8)
-
Step 600
600 (this color)
#25867B
oklch(56.3% 0.089 184)
-
Step 700
700
#117066
oklch(49.2% 0.083 183.8)
-
Step 800
800
#145B53
oklch(42.7% 0.068 183.8)
-
Step 900
900
#1A4B45
oklch(37.8% 0.053 184.2)
-
Step 950
950
#112C28
oklch(27% 0.034 182.9)
#25867B 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) | #7F7E7B | 0.094 |
| Deuteranopia (no green cones) | #72747C | 0.090 |
| Tritanopia (no blue cones) | #008983 | 0.014 |
| Achromatopsia (no color) | #787878 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25867B
#25867B
oklch(56.3% 0.089 184)
- #A15E6F
#A15E6F
oklch(56.2% 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 #25867B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.024
- Teal #008080 ΔE 0.026
- Bluegreen #017A79 ΔE 0.041
- Dusty Teal #4C9085 ΔE 0.046
- Teal Green #0A9396 ΔE 0.047
- Deep Aqua #08787F ΔE 0.049
- Viridian #1E9167 ΔE 0.052
- Teal Blue #01889F ΔE 0.055
Use #25867B 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.