#152A3F
Closest named color: Oxford Blue (#1B263B). oklch(27.9% 0.048 249.9), rgb(21, 42, 63).
Aa
White text reads best on this color (14.63:1).
About this color
#152A3F is a dark, muted blue. In OKLCH its lightness is 28%, its chroma 0.048 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.015 away. White text reads best on it, at 14.63:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.43:1 |
| White text | 14.63:1 |
Values
| HEX | #152A3F |
| RGB | rgb(21, 42, 63) |
| HSL | hsl(210, 50%, 16%) |
| OKLCH | oklch(27.9% 0.048 249.9) |
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 #152A3F | 14.63:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #152A3F | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #152A3F text on white | 14.63:1 | AAA | Lc 101.4 | Preferred for body text |
| #152A3F text on black | 1.43:1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CADBEE
oklch(88.5% 0.032 251.1)
-
Step 300
300
#A6C4E4
oklch(80.9% 0.056 250.2)
-
Step 400
400
#75A5D7
oklch(70.7% 0.09 250.2)
-
Step 500
500
#4F8ECC
oklch(63.2% 0.114 249.7)
-
Step 600
600
#3077B9
oklch(55.7% 0.125 249.7)
-
Step 700
700
#2263A0
oklch(49% 0.117 250.5)
-
Step 800
800
#1E5181
oklch(42.6% 0.096 250.1)
-
Step 900
900
#1F4468
oklch(37.8% 0.075 249.9)
-
Step 950
950 (this color)
#152A3F
oklch(27.9% 0.048 249.9)
#152A3F 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) | #212B40 | 0.017 |
| Deuteranopia (no green cones) | #1C273F | 0.013 |
| Tritanopia (no blue cones) | #002F31 | 0.041 |
| Achromatopsia (no color) | #292929 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #152A3F
#152A3F
oklch(27.9% 0.048 249.9)
- #37240B
#37240B
oklch(27.8% 0.048 70.9)
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 #152A3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.015
- Dark #1B2431 ΔE 0.029
- Space Cadet #2B2D42 ΔE 0.036
- Jet #212529 ΔE 0.041
- Gunmetal #293241 ΔE 0.042
- Prussian Blue #1D3557 ΔE 0.054
- Midnight Green #073B4C ΔE 0.056
- Marine #042E60 ΔE 0.059
Use #152A3F 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.