#25314D
Closest named color: Prussian Blue (#1D3557). oklch(31.6% 0.053 265.8), rgb(37, 49, 77).
Aa
White text reads best on this color (12.92:1).
About this color
#25314D is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.053 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.021 away. White text reads best on it, at 12.92:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.62:1 |
| White text | 12.92:1 |
Values
| HEX | #25314D |
| RGB | rgb(37, 49, 77) |
| HSL | hsl(222, 35%, 22%) |
| OKLCH | oklch(31.6% 0.053 265.8) |
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 #25314D | 12.92:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #25314D | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #25314D text on white | 12.92:1 | AAA | Lc 99.0 | Preferred for body text |
| #25314D text on black | 1.62:1 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CED9F1
oklch(88.4% 0.035 266)
-
Step 300
300
#ADC0EA
oklch(80.8% 0.063 265.9)
-
Step 400
400
#839FE0
oklch(70.7% 0.101 266)
-
Step 500
500
#6486D7
oklch(63.1% 0.128 265.7)
-
Step 600
600
#4C6EC4
oklch(55.5% 0.139 265.8)
-
Step 700
700
#3D5CAA
oklch(49.2% 0.13 265.6)
-
Step 800
800
#334B89
oklch(42.6% 0.107 266.1)
-
Step 900
900
#2C3F6E
oklch(37.6% 0.084 265.9)
-
Step 950
950 (this color)
#25314D
oklch(31.6% 0.053 265.8)
#25314D 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) | #27334E | 0.007 |
| Deuteranopia (no green cones) | #22304C | 0.006 |
| Tritanopia (no blue cones) | #15373B | 0.048 |
| Achromatopsia (no color) | #313131 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25314D
#25314D
oklch(31.6% 0.053 265.8)
- #3E300E
#3E300E
oklch(31.7% 0.053 86.3)
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 #25314D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.021
- Space Cadet #2B2D42 ΔE 0.022
- Gunmetal #293241 ΔE 0.024
- Dark Blue Grey #1F3B4D ΔE 0.033
- Midnight Green #073B4C ΔE 0.041
- Oxford Blue #1B263B ΔE 0.048
- Marine #042E60 ΔE 0.049
- Onyx #343A40 ΔE 0.050
Use #25314D 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.