#152E48
Closest named color: Space Cadet (#2B2D42). oklch(29.5% 0.057 251.1), rgb(21, 46, 72).
Aa
White text reads best on this color (13.84:1).
About this color
#152E48 is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.057 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.031 away. White text reads best on it, at 13.84:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.51:1 |
| White text | 13.84:1 |
Values
| HEX | #152E48 |
| RGB | rgb(21, 46, 72) |
| HSL | hsl(211, 55%, 18%) |
| OKLCH | oklch(29.5% 0.057 251.1) |
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 #152E48 | 13.84:1 | AAA | Lc -103.4 | Preferred for body text |
| Black text on #152E48 | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #152E48 text on white | 13.84:1 | AAA | Lc 100.3 | Preferred for body text |
| #152E48 text on black | 1.51:1 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C8DBF2
oklch(88.4% 0.038 253.2)
-
Step 300
300
#A1C4EB
oklch(80.8% 0.067 251.4)
-
Step 400
400
#6CA5E2
oklch(70.7% 0.108 251.1)
-
Step 500
500
#418DD9
oklch(63.1% 0.137 250.9)
-
Step 600
600
#1A75C7
oklch(55.5% 0.15 251.2)
-
Step 700
700
#0962AC
oklch(49.1% 0.139 251.2)
-
Step 800
800
#0F508B
oklch(42.6% 0.115 251.4)
-
Step 900
900
#16436F
oklch(37.6% 0.09 251.1)
-
Step 950
950 (this color)
#152E48
oklch(29.5% 0.057 251.1)
#152E48 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) | #232F49 | 0.019 |
| Deuteranopia (no green cones) | #1C2A47 | 0.014 |
| Tritanopia (no blue cones) | #003437 | 0.046 |
| Achromatopsia (no color) | #2D2D2D | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #152E48
#152E48
oklch(29.5% 0.057 251.1)
- #3E2706
#3E2706
oklch(29.5% 0.057 71.4)
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 #152E48, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.031
- Oxford Blue #1B263B ΔE 0.031
- Gunmetal #293241 ΔE 0.035
- Prussian Blue #1D3557 ΔE 0.035
- Midnight Green #073B4C ΔE 0.042
- Marine #042E60 ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.046
- Dark #1B2431 ΔE 0.047
Use #152E48 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.