#272A73
Closest named color: Midnight Blue (#191970). oklch(33.1% 0.123 275.6), rgb(39, 42, 115).
Aa
White text reads best on this color (12.61:1).
About this color
#272A73 is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.123 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 12.61:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.66:1 |
| White text | 12.61:1 |
Values
| HEX | #272A73 |
| RGB | rgb(39, 42, 115) |
| HSL | hsl(238, 49%, 30%) |
| OKLCH | oklch(33.1% 0.123 275.6) |
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 #272A73 | 12.61:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #272A73 | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #272A73 text on white | 12.61:1 | AAA | Lc 98.2 | Preferred for body text |
| #272A73 text on black | 1.66:1 | 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
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CFD7FC
oklch(88.5% 0.052 275.7)
-
Step 300
300
#AFBCFD
oklch(80.9% 0.093 275.4)
-
Step 400
400
#8897FB
oklch(70.8% 0.147 275.6)
-
Step 500
500
#6D79F9
oklch(63.2% 0.189 275.6)
-
Step 600
600
#575DE8
oklch(55.5% 0.206 275.5)
-
Step 700
700
#484CCA
oklch(49.2% 0.191 275.4)
-
Step 800
800
#3B3FA3
oklch(42.7% 0.158 275.7)
-
Step 900
900 (this color)
#272A73
oklch(33.1% 0.123 275.6)
-
Step 950
950
#1D214C
oklch(27.1% 0.078 275.8)
#272A73 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) | #003675 | 0.042 |
| Deuteranopia (no green cones) | #003072 | 0.037 |
| Tritanopia (no blue cones) | #003C4A | 0.103 |
| Achromatopsia (no color) | #333333 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #272A73
#272A73
oklch(33.1% 0.123 275.6)
- #403500
#403500
oklch(33.1% 0.068 96.2)
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 #272A73, 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 0.050
- Marine Blue #01386A ΔE 0.051
- Prussian Blue #1D3557 ΔE 0.063
- Twilight Blue #0A437A ΔE 0.069
- Royal #0C1793 ΔE 0.074
- Dark Slate Blue #483D8B ΔE 0.086
- Indigo #4B0082 ΔE 0.088
Use #272A73 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.