#252A49
Closest named color: Space Cadet (#2B2D42). oklch(29.6% 0.057 275.4), rgb(37, 42, 73).
Aa
White text reads best on this color (13.94:1).
About this color
#252A49 is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.057 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.021 away. White text reads best on it, at 13.94:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.50:1 |
| White text | 13.94:1 |
Values
| HEX | #252A49 |
| RGB | rgb(37, 42, 73) |
| HSL | hsl(232, 33%, 22%) |
| OKLCH | oklch(29.6% 0.057 275.4) |
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 #252A49 | 13.94:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #252A49 | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #252A49 text on white | 13.94:1 | AAA | Lc 100.5 | Preferred for body text |
| #252A49 text on black | 1.50:1 | 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
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D2D8F2
oklch(88.6% 0.036 275.3)
-
Step 300
300
#B4BEED
oklch(81% 0.067 275.4)
-
Step 400
400
#8E9BE3
oklch(70.8% 0.106 275.5)
-
Step 500
500
#7380DB
oklch(63% 0.137 275.6)
-
Step 600
600
#5C68C9
oklch(55.6% 0.149 275.2)
-
Step 700
700
#4C56AE
oklch(49.1% 0.139 275.2)
-
Step 800
800
#3F478D
oklch(42.8% 0.115 275.5)
-
Step 900
900
#353C70
oklch(37.7% 0.089 275.5)
-
Step 950
950 (this color)
#252A49
oklch(29.6% 0.057 275.4)
#252A49 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) | #1F2E4A | 0.014 |
| Deuteranopia (no green cones) | #1C2B48 | 0.014 |
| Tritanopia (no blue cones) | #193036 | 0.049 |
| Achromatopsia (no color) | #2C2C2C | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #252A49
#252A49
oklch(29.6% 0.057 275.4)
- #362C04
#362C04
oklch(29.6% 0.057 94.3)
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 #252A49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.021
- Oxford Blue #1B263B ΔE 0.033
- Gunmetal #293241 ΔE 0.035
- Prussian Blue #1D3557 ΔE 0.039
- Dark #1B2431 ΔE 0.050
- Marine #042E60 ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.054
- Midnight Green #073B4C ΔE 0.058
Use #252A49 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.