#272A71
Closest named color: Midnight Blue (#191970). oklch(32.9% 0.12 275.8), rgb(39, 42, 113).
Aa
White text reads best on this color (12.68:1).
About this color
#272A71 is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.120 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.048 away. White text reads best on it, at 12.68:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.65:1 |
| White text | 12.68:1 |
Values
| HEX | #272A71 |
| RGB | rgb(39, 42, 113) |
| HSL | hsl(238, 49%, 30%) |
| OKLCH | oklch(32.9% 0.12 275.8) |
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 #272A71 | 12.68:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #272A71 | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #272A71 text on white | 12.68:1 | AAA | Lc 98.4 | Preferred for body text |
| #272A71 text on black | 1.65:1 | 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
#E5E9FC
oklch(93.7% 0.026 276.4)
-
Step 200
200
#CFD7FB
oklch(88.5% 0.05 275.4)
-
Step 300
300
#B0BCFB
oklch(80.9% 0.09 275.9)
-
Step 400
400
#8897F9
oklch(70.7% 0.144 275.5)
-
Step 500
500
#6E79F6
oklch(63% 0.184 276)
-
Step 600
600
#585EE5
oklch(55.5% 0.201 275.8)
-
Step 700
700
#494DC7
oklch(49.1% 0.186 275.7)
-
Step 800
800
#3B40A1
oklch(42.7% 0.154 275.5)
-
Step 900
900 (this color)
#272A71
oklch(32.9% 0.12 275.8)
-
Step 950
950
#1D214B
oklch(27% 0.077 275.9)
#272A71 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) | #003673 | 0.042 |
| Deuteranopia (no green cones) | #003070 | 0.037 |
| Tritanopia (no blue cones) | #003B49 | 0.100 |
| Achromatopsia (no color) | #333333 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #272A71
#272A71
oklch(32.9% 0.12 275.8)
- #403400
#403400
oklch(32.8% 0.067 94.7)
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 #272A71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.048
- Marine #042E60 ΔE 0.048
- Marine Blue #01386A ΔE 0.050
- Prussian Blue #1D3557 ΔE 0.060
- Twilight Blue #0A437A ΔE 0.070
- Royal #0C1793 ΔE 0.076
- Space Cadet #2B2D42 ΔE 0.086
- Dark Slate Blue #483D8B ΔE 0.088
Use #272A71 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.