#25354B
Closest named color: Gunmetal (#293241). oklch(32.5% 0.045 256.5), rgb(37, 53, 75).
Aa
White text reads best on this color (12.42:1).
About this color
#25354B is a dark, muted blue. In OKLCH its lightness is 33%, its chroma 0.045 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.018 away. White text reads best on it, at 12.42:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.68:1 |
| White text | 12.42:1 |
Values
| HEX | #25354B |
| RGB | rgb(37, 53, 75) |
| HSL | hsl(215, 34%, 22%) |
| OKLCH | oklch(32.5% 0.045 256.5) |
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 #25354B | 12.42:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #25354B | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #25354B text on white | 12.42:1 | AAA | Lc 98.2 | Preferred for body text |
| #25354B text on black | 1.68:1 | Fails | Lc 0.0 | 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 900.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D1DAE6
oklch(88.5% 0.019 255.5)
-
Step 300
300
#B3C2D7
oklch(80.9% 0.034 256.8)
-
Step 400
400
#8BA2C2
oklch(70.6% 0.054 256.7)
-
Step 500
500
#6E8BB3
oklch(63% 0.069 256.5)
-
Step 600
600
#56759F
oklch(55.6% 0.075 256.2)
-
Step 700
700
#476288
oklch(49.1% 0.069 257)
-
Step 800
800
#3A506E
oklch(42.6% 0.057 256.3)
-
Step 900
900 (this color)
#25354B
oklch(32.5% 0.045 256.5)
-
Step 950
950
#1D2734
oklch(26.9% 0.028 255.2)
#25354B 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) | #2D364C | 0.013 |
| Deuteranopia (no green cones) | #28324B | 0.010 |
| Tritanopia (no blue cones) | #163A3D | 0.039 |
| Achromatopsia (no color) | #343434 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25354B
#25354B
oklch(32.5% 0.045 256.5)
- #413119
#413119
oklch(32.5% 0.044 76.3)
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 #25354B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.018
- Dark Blue Grey #1F3B4D ΔE 0.020
- Prussian Blue #1D3557 ΔE 0.023
- Space Cadet #2B2D42 ΔE 0.027
- Midnight Green #073B4C ΔE 0.031
- Onyx #343A40 ΔE 0.037
- Charcoal #264653 ΔE 0.055
- Oxford Blue #1B263B ΔE 0.057
Use #25354B 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.