#252C4D
Closest named color: Space Cadet (#2B2D42). oklch(30.4% 0.06 273.2), rgb(37, 44, 77).
Aa
White text reads best on this color (13.58:1).
About this color
#252C4D is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.060 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.023 away. White text reads best on it, at 13.58:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.54:1 |
| White text | 13.58:1 |
Values
| HEX | #252C4D |
| RGB | rgb(37, 44, 77) |
| HSL | hsl(230, 35%, 22%) |
| OKLCH | oklch(30.4% 0.06 273.2) |
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 #252C4D | 13.58:1 | AAA | Lc -103.1 | Preferred for body text |
| Black text on #252C4D | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #252C4D text on white | 13.58:1 | AAA | Lc 100.0 | Preferred for body text |
| #252C4D text on black | 1.54:1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F8
oklch(93.5% 0.021 274)
-
Step 200
200
#D0D8F4
oklch(88.5% 0.04 272.9)
-
Step 300
300
#B1BEF0
oklch(80.9% 0.072 273.3)
-
Step 400
400
#899BE8
oklch(70.7% 0.115 273.1)
-
Step 500
500
#6E80E1
oklch(63.1% 0.147 273.6)
-
Step 600
600
#5768CF
oklch(55.7% 0.159 273.1)
-
Step 700
700
#4756B3
oklch(49.2% 0.147 272.9)
-
Step 800
800
#3B4791
oklch(42.8% 0.122 273.3)
-
Step 900
900
#323C74
oklch(37.8% 0.096 273.3)
-
Step 950
950 (this color)
#252C4D
oklch(30.4% 0.06 273.2)
#252C4D 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) | #20304E | 0.014 |
| Deuteranopia (no green cones) | #1C2C4C | 0.013 |
| Tritanopia (no blue cones) | #163338 | 0.055 |
| Achromatopsia (no color) | #2E2E2E | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #252C4D
#252C4D
oklch(30.4% 0.06 273.2)
- #392E02
#392E02
oklch(30.5% 0.061 94)
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 #252C4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.023
- Prussian Blue #1D3557 ΔE 0.031
- Gunmetal #293241 ΔE 0.034
- Oxford Blue #1B263B ΔE 0.040
- Marine #042E60 ΔE 0.045
- Dark Blue Grey #1F3B4D ΔE 0.049
- Midnight Green #073B4C ΔE 0.054
- Dark #1B2431 ΔE 0.057
Use #252C4D 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.