#253B86
Closest named color: Twilight Blue (#0A437A). oklch(38.1% 0.129 267.6), rgb(37, 59, 134).
Aa
White text reads best on this color (10.25:1).
About this color
#253B86 is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.129 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.036 away. White text reads best on it, at 10.25:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.04:1 |
| White text | 10.25:1 |
Values
| HEX | #253B86 |
| RGB | rgb(37, 59, 134) |
| HSL | hsl(226, 57%, 34%) |
| OKLCH | oklch(38.1% 0.129 267.6) |
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 #253B86 | 10.25:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #253B86 | 2.04:1 | Fails | Lc 10.5 | Not readable |
| #253B86 text on white | 10.25:1 | AAA | Lc 93.4 | Preferred for body text |
| #253B86 text on black | 2.04:1 | Fails | Lc -9.1 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFD
oklch(93.7% 0.027 267.5)
-
Step 200
200
#CAD9FE
oklch(88.6% 0.054 267.9)
-
Step 300
300
#A6BFFF
oklch(80.9% 0.095 267.8)
-
Step 400
400
#779BFF
oklch(70.7% 0.152 267.5)
-
Step 500
500
#567EFF
oklch(63.2% 0.197 267.5)
-
Step 600
600
#3E62EE
oklch(55.5% 0.214 267.7)
-
Step 700
700
#3150CF
oklch(49.1% 0.199 267.6)
-
Step 800
800
#2843A8
oklch(42.8% 0.165 267.4)
-
Step 900
900 (this color)
#253B86
oklch(38.1% 0.129 267.6)
-
Step 950
950
#15234E
oklch(27.1% 0.081 267.2)
#253B86 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) | #004589 | 0.032 |
| Deuteranopia (no green cones) | #003C84 | 0.026 |
| Tritanopia (no blue cones) | #004D5A | 0.104 |
| Achromatopsia (no color) | #414141 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #253B86
#253B86
oklch(38.1% 0.129 267.6)
- #543F00
#543F00
oklch(38% 0.078 87.2)
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 #253B86, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.036
- Cobalt #1E488F ΔE 0.037
- Dark Slate Blue #483D8B ΔE 0.053
- Blueberry #464196 ΔE 0.058
- Marine Blue #01386A ΔE 0.058
- Light Navy #155084 ΔE 0.060
- Sapphire #2138AB ΔE 0.061
- Dusk Blue #26538D ΔE 0.068
Use #253B86 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.