#25314E
Closest named color: Prussian Blue (#1D3557). oklch(31.7% 0.055 266.2), rgb(37, 49, 78).
Aa
White text reads best on this color (12.89:1).
About this color
#25314E is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.055 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.019 away. White text reads best on it, at 12.89:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.62:1 |
| White text | 12.89:1 |
Values
| HEX | #25314E |
| RGB | rgb(37, 49, 78) |
| HSL | hsl(222, 36%, 23%) |
| OKLCH | oklch(31.7% 0.055 266.2) |
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 #25314E | 12.89:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #25314E | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #25314E text on white | 12.89:1 | AAA | Lc 99.0 | Preferred for body text |
| #25314E 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
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CED9F2
oklch(88.5% 0.036 266.7)
-
Step 300
300
#ADC0EB
oklch(80.8% 0.065 266.3)
-
Step 400
400
#829FE2
oklch(70.7% 0.104 265.9)
-
Step 500
500
#6485D9
oklch(63% 0.132 266.5)
-
Step 600
600
#4C6DC7
oklch(55.5% 0.145 266.6)
-
Step 700
700
#3D5BAC
oklch(49.1% 0.134 266.3)
-
Step 800
800
#324B8B
oklch(42.7% 0.11 265.9)
-
Step 900
900
#2C3F6F
oklch(37.7% 0.086 266.1)
-
Step 950
950 (this color)
#25314E
oklch(31.7% 0.055 266.2)
#25314E 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) | #26344F | 0.010 |
| Deuteranopia (no green cones) | #22304D | 0.006 |
| Tritanopia (no blue cones) | #15373C | 0.048 |
| Achromatopsia (no color) | #323232 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25314E
#25314E
oklch(31.7% 0.055 266.2)
- #3E300C
#3E300C
oklch(31.7% 0.055 87.1)
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 #25314E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.019
- Space Cadet #2B2D42 ΔE 0.023
- Gunmetal #293241 ΔE 0.025
- Dark Blue Grey #1F3B4D ΔE 0.034
- Midnight Green #073B4C ΔE 0.041
- Marine #042E60 ΔE 0.048
- Oxford Blue #1B263B ΔE 0.049
- Onyx #343A40 ΔE 0.051
Use #25314E 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.