#25414E
Closest named color: Charcoal (#264653). oklch(35.9% 0.041 229.3), rgb(37, 65, 78).
Aa
White text reads best on this color (10.79:1).
About this color
#25414E is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.041 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.017 away. White text reads best on it, at 10.79:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.94:1 |
| White text | 10.79:1 |
Values
| HEX | #25414E |
| RGB | rgb(37, 65, 78) |
| HSL | hsl(199, 36%, 23%) |
| OKLCH | oklch(35.9% 0.041 229.3) |
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 #25414E | 10.79:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #25414E | 1.94:1 | Fails | Lc 9.0 | Not readable |
| #25414E text on white | 10.79:1 | AAA | Lc 94.9 | Preferred for body text |
| #25414E text on black | 1.94:1 | Fails | Lc -7.7 | 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 900.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CEDCE2
oklch(88.6% 0.017 225.2)
-
Step 300
300
#ADC5D1
oklch(80.9% 0.031 229.3)
-
Step 400
400
#81A7B9
oklch(70.7% 0.049 228.5)
-
Step 500
500
#6191A8
oklch(63.1% 0.062 229.6)
-
Step 600
600
#467B93
oklch(55.6% 0.068 229)
-
Step 700
700
#37687D
oklch(49.2% 0.063 227.9)
-
Step 800
800
#2E5566
oklch(42.8% 0.052 228.1)
-
Step 900
900 (this color)
#25414E
oklch(35.9% 0.041 229.3)
-
Step 950
950
#192931
oklch(27% 0.026 230.6)
#25414E 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) | #3A404F | 0.029 |
| Deuteranopia (no green cones) | #343B4E | 0.027 |
| Tritanopia (no blue cones) | #114545 | 0.030 |
| Achromatopsia (no color) | #3D3D3D | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25414E
#25414E
oklch(35.9% 0.041 229.3)
- #4F372A
#4F372A
oklch(36.1% 0.041 49.5)
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 #25414E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.017
- Dark Blue Grey #1F3B4D ΔE 0.022
- Dark Grey Blue #29465B ΔE 0.026
- Onyx #343A40 ΔE 0.032
- Midnight Green #073B4C ΔE 0.035
- Charcoal Grey #3C4142 ΔE 0.036
- Dark Teal #014D4E ΔE 0.044
- Prussian Blue #1D3557 ΔE 0.049
Use #25414E 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.