#25475E
Closest named color: Dark Grey Blue (#29465B). oklch(38.3% 0.056 240), rgb(37, 71, 94).
Aa
White text reads best on this color (9.80:1).
About this color
#25475E is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.056 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.006 away. White text reads best on it, at 9.80:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.14:1 |
| White text | 9.80:1 |
Values
| HEX | #25475E |
| RGB | rgb(37, 71, 94) |
| HSL | hsl(204, 44%, 26%) |
| OKLCH | oklch(38.3% 0.056 240) |
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 #25475E | 9.80:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #25475E | 2.14:1 | Fails | Lc 11.3 | Not readable |
| #25475E text on white | 9.80:1 | AAA | Lc 92.6 | Preferred for body text |
| #25475E text on black | 2.14:1 | Fails | Lc -9.8 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CCDCE7
oklch(88.6% 0.023 237.7)
-
Step 300
300
#A9C5D9
oklch(80.9% 0.041 239.1)
-
Step 400
400
#7AA7C7
oklch(70.8% 0.067 239.9)
-
Step 500
500
#5690B8
oklch(63% 0.086 240.2)
-
Step 600
600
#397AA4
oklch(55.6% 0.093 239.8)
-
Step 700
700
#2B678D
oklch(49.2% 0.087 239.7)
-
Step 800
800
#255472
oklch(42.7% 0.071 239.5)
-
Step 900
900 (this color)
#25475E
oklch(38.3% 0.056 240)
-
Step 950
950
#152936
oklch(27% 0.036 238.5)
#25475E 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) | #3D475F | 0.031 |
| Deuteranopia (no green cones) | #35415E | 0.026 |
| Tritanopia (no blue cones) | #004D4F | 0.044 |
| Achromatopsia (no color) | #444444 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25475E
#25475E
oklch(38.3% 0.056 240)
- #593C23
#593C23
oklch(38.3% 0.056 60.7)
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 #25475E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.006
- Charcoal #264653 ΔE 0.019
- Dark Slate Gray #2F4F4F ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.045
- Dark Teal #014D4E ΔE 0.046
- Deep Teal #00555A ΔE 0.051
- Charcoal Grey #3C4142 ΔE 0.051
- Twilight Blue #0A437A ΔE 0.055
Use #25475E 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.