#24274F
Closest named color: Space Cadet (#2B2D42). oklch(29.3% 0.072 277.7), rgb(36, 39, 79).
Aa
White text reads best on this color (14.20:1).
About this color
#24274F is a dark, moderately saturated blue. In OKLCH its lightness is 29%, its chroma 0.072 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.036 away. White text reads best on it, at 14.20:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.47:1 |
| White text | 14.20:1 |
Values
| HEX | #24274F |
| RGB | rgb(36, 39, 79) |
| HSL | hsl(236, 37%, 23%) |
| OKLCH | oklch(29.3% 0.072 277.7) |
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 #24274F | 14.20:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #24274F | 1.47:1 | Fails | Lc 0.0 | Not readable |
| #24274F text on white | 14.20:1 | AAA | Lc 100.8 | Preferred for body text |
| #24274F text on black | 1.47:1 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#D1D7F9
oklch(88.5% 0.047 277.5)
-
Step 300
300
#B3BCF8
oklch(80.9% 0.085 277.7)
-
Step 400
400
#8D97F4
oklch(70.7% 0.136 277.7)
-
Step 500
500
#737AF0
oklch(63.2% 0.174 277.6)
-
Step 600
600
#5E5FDF
oklch(55.6% 0.19 277.9)
-
Step 700
700
#4E4EC1
oklch(49.2% 0.175 277.8)
-
Step 800
800
#3F409C
oklch(42.6% 0.146 277.7)
-
Step 900
900
#35387C
oklch(37.7% 0.113 277.6)
-
Step 950
950 (this color)
#24274F
oklch(29.3% 0.072 277.7)
#24274F 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) | #162D50 | 0.024 |
| Deuteranopia (no green cones) | #12294E | 0.025 |
| Tritanopia (no blue cones) | #133037 | 0.064 |
| Achromatopsia (no color) | #2B2B2B | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #24274F
#24274F
oklch(29.3% 0.072 277.7)
- #342C00
#342C00
oklch(29.3% 0.061 98.4)
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 #24274F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.036
- Oxford Blue #1B263B ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.043
- Marine #042E60 ΔE 0.044
- Gunmetal #293241 ΔE 0.050
- Dark #1B2431 ΔE 0.058
- Dark Blue Grey #1F3B4D ΔE 0.066
- Marine Blue #01386A ΔE 0.067
Use #24274F 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.