#25525E
Closest named color: Deep Teal (#00555A). oklch(41.2% 0.053 217.6), rgb(37, 82, 94).
Aa
White text reads best on this color (8.58:1).
About this color
#25525E is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.053 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.024 away. White text reads best on it, at 8.58:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.44:1 |
| White text | 8.58:1 |
Values
| HEX | #25525E |
| RGB | rgb(37, 82, 94) |
| HSL | hsl(193, 44%, 26%) |
| OKLCH | oklch(41.2% 0.053 217.6) |
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 #25525E | 8.58:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #25525E | 2.44:1 | Fails | Lc 14.6 | Not readable |
| #25525E text on white | 8.58:1 | AAA | Lc 89.3 | Fine for body text |
| #25525E text on black | 2.44:1 | Fails | Lc -12.9 | Not readable |
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 800.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CDDCE1
oklch(88.5% 0.018 219.7)
-
Step 300
300
#ABC6CE
oklch(80.9% 0.031 217.5)
-
Step 400
400
#7EA9B5
oklch(70.8% 0.049 216.8)
-
Step 500
500
#5B93A3
oklch(63.1% 0.064 218)
-
Step 600
600
#3F7D8E
oklch(55.5% 0.069 218)
-
Step 700
700
#316A79
oklch(49.2% 0.064 217.4)
-
Step 800
800 (this color)
#25525E
oklch(41.2% 0.053 217.6)
-
Step 900
900
#264750
oklch(37.7% 0.042 217.4)
-
Step 950
950
#172A2F
oklch(27.1% 0.026 216.3)
#25525E 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) | #4A505F | 0.046 |
| Deuteranopia (no green cones) | #42495E | 0.043 |
| Tritanopia (no blue cones) | #005656 | 0.030 |
| Achromatopsia (no color) | #4C4C4C | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25525E
#25525E
oklch(41.2% 0.053 217.6)
- #644136
#644136
oklch(41.2% 0.052 38.2)
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 #25525E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.024
- Dark Slate Gray #2F4F4F ΔE 0.025
- Dark Grey Blue #29465B ΔE 0.038
- Charcoal #264653 ΔE 0.039
- Dark Teal #014D4E ΔE 0.040
- Petrol #005F6A ΔE 0.041
- Dark Blue Green #005249 ΔE 0.045
- YInMn Blue #415A77 ΔE 0.058
Use #25525E 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.