#24366D
Closest named color: Marine Blue (#01386A). oklch(35% 0.098 267.5), rgb(36, 54, 109).
Aa
White text reads best on this color (11.51:1).
About this color
#24366D is a dark, moderately saturated blue. In OKLCH its lightness is 35%, its chroma 0.098 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.029 away. White text reads best on it, at 11.51:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.82:1 |
| White text | 11.51:1 |
Values
| HEX | #24366D |
| RGB | rgb(36, 54, 109) |
| HSL | hsl(225, 50%, 28%) |
| OKLCH | oklch(35% 0.098 267.5) |
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 #24366D | 11.51:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #24366D | 1.82:1 | Fails | Lc 7.6 | Not readable |
| #24366D text on white | 11.51:1 | AAA | Lc 96.3 | Preferred for body text |
| #24366D text on black | 1.82:1 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CDD9F5
oklch(88.5% 0.041 267.1)
-
Step 300
300
#ACC0F1
oklch(81% 0.073 267.4)
-
Step 400
400
#809DEA
oklch(70.6% 0.118 267.6)
-
Step 500
500
#6183E4
oklch(63% 0.151 267.4)
-
Step 600
600
#496AD2
oklch(55.5% 0.164 267.6)
-
Step 700
700
#3B58B6
oklch(49.1% 0.153 267.6)
-
Step 800
800
#314993
oklch(42.8% 0.125 267.4)
-
Step 900
900 (this color)
#24366D
oklch(35% 0.098 267.5)
-
Step 950
950
#192445
oklch(26.9% 0.063 268.1)
#24366D 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) | #1A3D6F | 0.021 |
| Deuteranopia (no green cones) | #0B366C | 0.023 |
| Tritanopia (no blue cones) | #00434C | 0.083 |
| Achromatopsia (no color) | #393939 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #24366D
#24366D
oklch(35% 0.098 267.5)
- #4A3700
#4A3700
oklch(34.8% 0.071 87)
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 #24366D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.029
- Prussian Blue #1D3557 ΔE 0.040
- Twilight Blue #0A437A ΔE 0.042
- Marine #042E60 ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.063
- Dark Grey Blue #29465B ΔE 0.065
- Midnight Green #073B4C ΔE 0.070
- Cobalt #1E488F ΔE 0.072
Use #24366D 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.