#25334E
Closest named color: Prussian Blue (#1D3557). oklch(32.2% 0.052 262.8), rgb(37, 51, 78).
Aa
White text reads best on this color (12.63:1).
About this color
#25334E is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.052 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.018 away. White text reads best on it, at 12.63:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.66:1 |
| White text | 12.63:1 |
Values
| HEX | #25334E |
| RGB | rgb(37, 51, 78) |
| HSL | hsl(220, 36%, 23%) |
| OKLCH | oklch(32.2% 0.052 262.8) |
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 #25334E | 12.63:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #25334E | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #25334E text on white | 12.63:1 | AAA | Lc 98.6 | Preferred for body text |
| #25334E text on black | 1.66:1 | 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 950.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CDDAF0
oklch(88.5% 0.033 261)
-
Step 300
300
#ACC1E9
oklch(80.9% 0.061 263.2)
-
Step 400
400
#80A0DE
oklch(70.6% 0.098 263.1)
-
Step 500
500
#6088D5
oklch(63.2% 0.125 262.5)
-
Step 600
600
#4770C3
oklch(55.6% 0.137 262.9)
-
Step 700
700
#385DA8
oklch(49% 0.128 262.8)
-
Step 800
800
#2F4C88
oklch(42.6% 0.106 263.2)
-
Step 900
900
#2A406D
oklch(37.7% 0.082 263.3)
-
Step 950
950 (this color)
#25334E
oklch(32.2% 0.052 262.8)
#25334E 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) | #29354F | 0.009 |
| Deuteranopia (no green cones) | #24314D | 0.007 |
| Tritanopia (no blue cones) | #14393D | 0.046 |
| Achromatopsia (no color) | #333333 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25334E
#25334E
oklch(32.2% 0.052 262.8)
- #403111
#403111
oklch(32.3% 0.052 83.8)
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 #25334E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.018
- Gunmetal #293241 ΔE 0.023
- Space Cadet #2B2D42 ΔE 0.026
- Dark Blue Grey #1F3B4D ΔE 0.027
- Midnight Green #073B4C ΔE 0.036
- Onyx #343A40 ΔE 0.046
- Marine #042E60 ΔE 0.050
- Oxford Blue #1B263B ΔE 0.054
Use #25334E 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.