#25426E
Closest named color: Twilight Blue (#0A437A). oklch(38% 0.083 258.5), rgb(37, 66, 110).
Aa
White text reads best on this color (10.08:1).
About this color
#25426E is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.083 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.027 away. White text reads best on it, at 10.08:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.08:1 |
| White text | 10.08:1 |
Values
| HEX | #25426E |
| RGB | rgb(37, 66, 110) |
| HSL | hsl(216, 50%, 29%) |
| OKLCH | oklch(38% 0.083 258.5) |
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 #25426E | 10.08:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #25426E | 2.08:1 | Fails | Lc 10.7 | Not readable |
| #25426E text on white | 10.08:1 | AAA | Lc 93.2 | Preferred for body text |
| #25426E text on black | 2.08:1 | Fails | Lc -9.3 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF6
oklch(93.5% 0.018 261.3)
-
Step 200
200
#CBDAF1
oklch(88.4% 0.036 258.9)
-
Step 300
300
#A8C2EA
oklch(80.8% 0.064 258.9)
-
Step 400
400
#7AA2DF
oklch(70.7% 0.1 258.6)
-
Step 500
500
#578AD6
oklch(63.2% 0.128 258.2)
-
Step 600
600
#3C72C3
oklch(55.6% 0.139 258.4)
-
Step 700
700
#2E5FA9
oklch(49.1% 0.13 258.6)
-
Step 800
800
#274E89
oklch(42.7% 0.108 258.5)
-
Step 900
900 (this color)
#25426E
oklch(38% 0.083 258.5)
-
Step 950
950
#162640
oklch(26.9% 0.053 259.7)
#25426E 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) | #2F4670 | 0.018 |
| Deuteranopia (no green cones) | #253F6D | 0.009 |
| Tritanopia (no blue cones) | #004C52 | 0.070 |
| Achromatopsia (no color) | #424242 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25426E
#25426E
oklch(38% 0.083 258.5)
- #593C00
#593C00
oklch(38% 0.079 78.1)
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 #25426E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.027
- Dark Grey Blue #29465B ΔE 0.038
- Marine Blue #01386A ΔE 0.045
- Light Navy #155084 ΔE 0.050
- Charcoal #264653 ΔE 0.052
- Prussian Blue #1D3557 ΔE 0.054
- Cobalt #1E488F ΔE 0.056
- Deep Sea Blue #015482 ΔE 0.058
Use #25426E 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.