#272E78
Closest named color: Marine Blue (#01386A). oklch(34.3% 0.125 273.7), rgb(39, 46, 120).
Aa
White text reads best on this color (12.01:1).
About this color
#272E78 is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.125 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.048 away. White text reads best on it, at 12.01:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.74:1 |
| White text | 12.01:1 |
Values
| HEX | #272E78 |
| RGB | rgb(39, 46, 120) |
| HSL | hsl(235, 51%, 31%) |
| OKLCH | oklch(34.3% 0.125 273.7) |
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 #272E78 | 12.01:1 | AAA | Lc -100.7 | Preferred for body text |
| Black text on #272E78 | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #272E78 text on white | 12.01:1 | AAA | Lc 97.1 | Preferred for body text |
| #272E78 text on black | 1.74:1 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FD
oklch(93.6% 0.028 274.7)
-
Step 200
200
#CED7FC
oklch(88.4% 0.052 274.5)
-
Step 300
300
#ADBDFE
oklch(81% 0.094 273.5)
-
Step 400
400
#8497FD
oklch(70.6% 0.15 274)
-
Step 500
500
#687AFB
oklch(63.2% 0.191 273.7)
-
Step 600
600
#525EEA
oklch(55.5% 0.209 273.7)
-
Step 700
700
#444DCC
oklch(49.2% 0.194 273.7)
-
Step 800
800
#3740A5
oklch(42.8% 0.161 273.6)
-
Step 900
900 (this color)
#272E78
oklch(34.3% 0.125 273.7)
-
Step 950
950
#1B214C
oklch(26.9% 0.079 273.9)
#272E78 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) | #003A7A | 0.040 |
| Deuteranopia (no green cones) | #003377 | 0.034 |
| Tritanopia (no blue cones) | #00404E | 0.103 |
| Achromatopsia (no color) | #363636 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #272E78
#272E78
oklch(34.3% 0.125 273.7)
- #453800
#453800
oklch(34.5% 0.071 94.4)
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 #272E78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.048
- Marine #042E60 ΔE 0.056
- Midnight Blue #191970 ΔE 0.058
- Twilight Blue #0A437A ΔE 0.059
- Prussian Blue #1D3557 ΔE 0.065
- Royal #0C1793 ΔE 0.073
- Dark Slate Blue #483D8B ΔE 0.076
- Cobalt #1E488F ΔE 0.077
Use #272E78 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.