#152A4B
Closest named color: Oxford Blue (#1B263B). oklch(28.7% 0.067 259.1), rgb(21, 42, 75).
Aa
White text reads best on this color (14.33:1).
About this color
#152A4B is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.067 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.030 away. White text reads best on it, at 14.33:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.46:1 |
| White text | 14.33:1 |
Values
| HEX | #152A4B |
| RGB | rgb(21, 42, 75) |
| HSL | hsl(217, 56%, 19%) |
| OKLCH | oklch(28.7% 0.067 259.1) |
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 #152A4B | 14.33:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #152A4B | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #152A4B text on white | 14.33:1 | AAA | Lc 100.9 | Preferred for body text |
| #152A4B text on black | 1.46:1 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EBFA
oklch(93.7% 0.023 258.4)
-
Step 200
200
#C8DAF7
oklch(88.4% 0.045 259.9)
-
Step 300
300
#A2C2F4
oklch(80.8% 0.079 259.2)
-
Step 400
400
#70A1EF
oklch(70.7% 0.127 259.4)
-
Step 500
500
#4987E9
oklch(63% 0.161 259.2)
-
Step 600
600
#2A6FD7
oklch(55.6% 0.174 258.9)
-
Step 700
700
#1D5CBB
oklch(49.2% 0.163 259.1)
-
Step 800
800
#1A4C97
oklch(42.8% 0.134 258.8)
-
Step 900
900
#1C4078
oklch(37.7% 0.104 259.1)
-
Step 950
950 (this color)
#152A4B
oklch(28.7% 0.067 259.1)
#152A4B 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) | #1B2D4C | 0.013 |
| Deuteranopia (no green cones) | #13284A | 0.007 |
| Tritanopia (no blue cones) | #003236 | 0.056 |
| Achromatopsia (no color) | #2A2A2A | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #152A4B
#152A4B
oklch(28.7% 0.067 259.1)
- #3A2600
#3A2600
oklch(28.6% 0.059 78.6)
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 #152A4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.030
- Space Cadet #2B2D42 ΔE 0.038
- Marine #042E60 ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.041
- Gunmetal #293241 ΔE 0.047
- Dark #1B2431 ΔE 0.048
- Midnight Green #073B4C ΔE 0.056
- Dark Blue Grey #1F3B4D ΔE 0.059
Use #152A4B 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.