#152C49
Closest named color: Oxford Blue (#1B263B). oklch(29% 0.061 255.1), rgb(21, 44, 73).
Aa
White text reads best on this color (14.10:1).
About this color
#152C49 is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.061 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.029 away. White text reads best on it, at 14.10:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.48:1 |
| White text | 14.10:1 |
Values
| HEX | #152C49 |
| RGB | rgb(21, 44, 73) |
| HSL | hsl(213, 55%, 18%) |
| OKLCH | oklch(29% 0.061 255.1) |
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 #152C49 | 14.10:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #152C49 | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #152C49 text on white | 14.10:1 | AAA | Lc 100.7 | Preferred for body text |
| #152C49 text on black | 1.48:1 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C8DBF4
oklch(88.5% 0.04 255.3)
-
Step 300
300
#A2C3EF
oklch(80.8% 0.072 255.7)
-
Step 400
400
#6EA3E7
oklch(70.6% 0.115 255.1)
-
Step 500
500
#458AE0
oklch(63% 0.148 255.2)
-
Step 600
600
#2372CE
oklch(55.5% 0.161 255.2)
-
Step 700
700
#155FB2
oklch(49% 0.149 255.2)
-
Step 800
800
#154E90
oklch(42.6% 0.123 255.2)
-
Step 900
900
#194273
oklch(37.8% 0.096 254.8)
-
Step 950
950 (this color)
#152C49
oklch(29% 0.061 255.1)
#152C49 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 | 0.015 |
| Deuteranopia (no green cones) | #182948 | 0.010 |
| Tritanopia (no blue cones) | #003337 | 0.049 |
| Achromatopsia (no color) | #2B2B2B | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #152C49
#152C49
oklch(29% 0.061 255.1)
- #3D2600
#3D2600
oklch(29% 0.061 74.6)
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 #152C49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.029
- Space Cadet #2B2D42 ΔE 0.034
- Prussian Blue #1D3557 ΔE 0.038
- Gunmetal #293241 ΔE 0.040
- Marine #042E60 ΔE 0.042
- Dark #1B2431 ΔE 0.046
- Midnight Green #073B4C ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.053
Use #152C49 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.