#253078
Closest named color: Marine Blue (#01386A). oklch(34.6% 0.123 271.8), rgb(37, 48, 120).
Aa
White text reads best on this color (11.84:1).
About this color
#253078 is a dark, moderately saturated blue. In OKLCH its lightness is 35%, its chroma 0.123 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.044 away. White text reads best on it, at 11.84:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.77:1 |
| White text | 11.84:1 |
Values
| HEX | #253078 |
| RGB | rgb(37, 48, 120) |
| HSL | hsl(232, 53%, 31%) |
| OKLCH | oklch(34.6% 0.123 271.8) |
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 #253078 | 11.84:1 | AAA | Lc -100.4 | Preferred for body text |
| Black text on #253078 | 1.77:1 | Fails | Lc 0.0 | Not readable |
| #253078 text on white | 11.84:1 | AAA | Lc 96.8 | Preferred for body text |
| #253078 text on black | 1.77:1 | 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 900.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FC
oklch(93.5% 0.027 271.9)
-
Step 200
200
#CDD8FC
oklch(88.5% 0.051 271.9)
-
Step 300
300
#ABBEFD
oklch(81% 0.092 271.3)
-
Step 400
400
#8199FC
oklch(70.8% 0.147 271.9)
-
Step 500
500
#637CF9
oklch(63.1% 0.187 271.5)
-
Step 600
600
#4D61E8
oklch(55.6% 0.204 271.7)
-
Step 700
700
#3F4FCA
oklch(49.1% 0.19 271.8)
-
Step 800
800
#3441A3
oklch(42.6% 0.158 272.1)
-
Step 900
900 (this color)
#253078
oklch(34.6% 0.123 271.8)
-
Step 950
950
#1A224C
oklch(27.1% 0.078 272.1)
#253078 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) | #003B7A | 0.037 |
| Deuteranopia (no green cones) | #003477 | 0.031 |
| Tritanopia (no blue cones) | #00424F | 0.102 |
| Achromatopsia (no color) | #373737 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #253078
#253078
oklch(34.6% 0.123 271.8)
- #473800
#473800
oklch(34.7% 0.071 92)
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 #253078, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.044
- Twilight Blue #0A437A ΔE 0.054
- Marine #042E60 ΔE 0.055
- Midnight Blue #191970 ΔE 0.062
- Prussian Blue #1D3557 ΔE 0.062
- Cobalt #1E488F ΔE 0.072
- Royal #0C1793 ΔE 0.075
- Dark Slate Blue #483D8B ΔE 0.075
Use #253078 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.