#25514C
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.2% 0.05 185.7), rgb(37, 81, 76).
Aa
White text reads best on this color (8.89:1).
About this color
#25514C is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.050 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.014 away. White text reads best on it, at 8.89:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.35:1 |
| White text | 8.89:1 |
Values
| HEX | #25514C |
| RGB | rgb(37, 81, 76) |
| HSL | hsl(173, 37%, 23%) |
| OKLCH | oklch(40.2% 0.05 185.7) |
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 #25514C | 8.89:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #25514C | 2.35:1 | Fails | Lc 13.7 | Not readable |
| #25514C text on white | 8.89:1 | AAA | Lc 90.2 | Preferred for body text |
| #25514C text on black | 2.35:1 | Fails | Lc -12.0 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CEDDDA
oklch(88.5% 0.017 182.7)
-
Step 300
300
#ADC7C3
oklch(80.9% 0.029 185.4)
-
Step 400
400
#80AAA5
oklch(70.6% 0.046 187.1)
-
Step 500
500
#5E958E
oklch(62.9% 0.059 185.6)
-
Step 600
600
#438079
oklch(55.7% 0.065 185.9)
-
Step 700
700
#346C66
oklch(49.1% 0.06 186.3)
-
Step 800
800 (this color)
#25514C
oklch(40.2% 0.05 185.7)
-
Step 900
900
#284844
oklch(37.6% 0.039 185.5)
-
Step 950
950
#182A28
oklch(26.9% 0.024 187)
#25514C 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) | #4D4D4C | 0.052 |
| Deuteranopia (no green cones) | #46484D | 0.049 |
| Tritanopia (no blue cones) | #0D534F | 0.016 |
| Achromatopsia (no color) | #4A4A4A | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25514C
#25514C
oklch(40.2% 0.05 185.7)
- #5F3D44
#5F3D44
oklch(40.2% 0.049 6)
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 #25514C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.014
- Dark Blue Green #005249 ΔE 0.023
- Deep Teal #00555A ΔE 0.027
- Dark Teal #014D4E ΔE 0.028
- Charcoal #264653 ΔE 0.042
- Dark Grey Blue #29465B ΔE 0.051
- Charcoal Grey #3C4142 ΔE 0.053
- Petrol #005F6A ΔE 0.056
Use #25514C 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.