#25475A
Closest named color: Dark Grey Blue (#29465B). oklch(38.1% 0.051 234.8), rgb(37, 71, 90).
Aa
White text reads best on this color (9.87:1).
About this color
#25475A is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.051 and its hue 235°. 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 9.87:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.12:1 |
| White text | 9.87:1 |
Values
| HEX | #25475A |
| RGB | rgb(37, 71, 90) |
| HSL | hsl(202, 42%, 25%) |
| OKLCH | oklch(38.1% 0.051 234.8) |
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 #25475A | 9.87:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #25475A | 2.12:1 | Fails | Lc 11.2 | Not readable |
| #25475A text on white | 9.87:1 | AAA | Lc 92.8 | Preferred for body text |
| #25475A text on black | 2.12:1 | Fails | Lc -9.7 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE5
oklch(88.5% 0.021 232.2)
-
Step 300
300
#A9C5D6
oklch(80.8% 0.039 234.6)
-
Step 400
400
#7BA7C2
oklch(70.6% 0.062 235.7)
-
Step 500
500
#5791B2
oklch(63% 0.079 234.9)
-
Step 600
600
#3A7B9E
oklch(55.5% 0.086 234.8)
-
Step 700
700
#2C6887
oklch(49.2% 0.079 234.2)
-
Step 800
800
#26556E
oklch(42.8% 0.066 234.5)
-
Step 900
900 (this color)
#25475A
oklch(38.1% 0.051 234.8)
-
Step 950
950
#162934
oklch(27% 0.032 235.1)
#25475A 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) | #3E465B | 0.033 |
| Deuteranopia (no green cones) | #37415A | 0.028 |
| Tritanopia (no blue cones) | #004C4D | 0.040 |
| Achromatopsia (no color) | #434343 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25475A
#25475A
oklch(38.1% 0.051 234.8)
- #583B27
#583B27
oklch(38.1% 0.052 55.1)
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 #25475A, 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 0.012
- Dark Slate Gray #2F4F4F ΔE 0.039
- Dark Teal #014D4E ΔE 0.040
- Dark Blue Grey #1F3B4D ΔE 0.042
- Charcoal Grey #3C4142 ΔE 0.046
- Deep Teal #00555A ΔE 0.048
- Onyx #343A40 ΔE 0.052
Use #25475A 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.