#24276D
Closest named color: Midnight Blue (#191970). oklch(31.7% 0.119 275.4), rgb(36, 39, 109).
Aa
White text reads best on this color (13.24:1).
About this color
#24276D is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.119 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.039 away. White text reads best on it, at 13.24:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.58:1 |
| White text | 13.24:1 |
Values
| HEX | #24276D |
| RGB | rgb(36, 39, 109) |
| HSL | hsl(238, 50%, 28%) |
| OKLCH | oklch(31.7% 0.119 275.4) |
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 #24276D | 13.24:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #24276D | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #24276D text on white | 13.24:1 | AAA | Lc 99.2 | Preferred for body text |
| #24276D text on black | 1.58:1 | 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 950.
-
Step 50
50
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E4E9FF
oklch(93.7% 0.03 275.6)
-
Step 200
200
#CED7FF
oklch(88.5% 0.056 275.2)
-
Step 300
300
#AFBCFF
oklch(80.9% 0.096 275.6)
-
Step 400
400
#8696FF
oklch(70.7% 0.154 275.2)
-
Step 500
500
#6B77FF
oklch(63.1% 0.199 275.3)
-
Step 600
600
#5552FF
oklch(55.6% 0.247 275.5)
-
Step 700
700
#471EFF
oklch(49% 0.29 275.3)
-
Step 800
800
#3920CE
oklch(42.6% 0.241 275.4)
-
Step 900
900
#2E26A2
oklch(37.6% 0.189 275.2)
-
Step 950
950 (this color)
#24276D
oklch(31.7% 0.119 275.4)
#24276D 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) | #00336F | 0.041 |
| Deuteranopia (no green cones) | #002D6C | 0.035 |
| Tritanopia (no blue cones) | #003846 | 0.098 |
| Achromatopsia (no color) | #303030 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #24276D
#24276D
oklch(31.7% 0.119 275.4)
- #3C3100
#3C3100
oklch(31.6% 0.065 95.3)
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 #24276D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.039
- Marine #042E60 ΔE 0.043
- Marine Blue #01386A ΔE 0.052
- Prussian Blue #1D3557 ΔE 0.060
- Royal #0C1793 ΔE 0.077
- Twilight Blue #0A437A ΔE 0.078
- Dark Indigo #1F0954 ΔE 0.082
- Space Cadet #2B2D42 ΔE 0.082
Use #24276D 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.