#152A4A
Closest named color: Oxford Blue (#1B263B). oklch(28.6% 0.065 258.6), rgb(21, 42, 74).
Aa
White text reads best on this color (14.36:1).
About this color
#152A4A is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.065 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.028 away. White text reads best on it, at 14.36:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.46:1 |
| White text | 14.36:1 |
Values
| HEX | #152A4A |
| RGB | rgb(21, 42, 74) |
| HSL | hsl(216, 56%, 19%) |
| OKLCH | oklch(28.6% 0.065 258.6) |
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 #152A4A | 14.36:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #152A4A | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #152A4A text on white | 14.36:1 | AAA | Lc 101.0 | Preferred for body text |
| #152A4A 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
#E1EBF9
oklch(93.7% 0.022 256.7)
-
Step 200
200
#C8DBF6
oklch(88.6% 0.043 257.1)
-
Step 300
300
#A3C2F3
oklch(80.9% 0.077 259.4)
-
Step 400
400
#70A1ED
oklch(70.6% 0.124 258.9)
-
Step 500
500
#4988E7
oklch(63.1% 0.158 258.5)
-
Step 600
600
#2B6FD5
oklch(55.5% 0.171 258.8)
-
Step 700
700
#1D5DB9
oklch(49.2% 0.159 258.5)
-
Step 800
800
#1B4C95
oklch(42.7% 0.131 258.7)
-
Step 900
900
#1C4077
oklch(37.7% 0.103 258.8)
-
Step 950
950 (this color)
#152A4A
oklch(28.6% 0.065 258.6)
#152A4A 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) | #1C2D4B | 0.014 |
| Deuteranopia (no green cones) | #142849 | 0.007 |
| Tritanopia (no blue cones) | #003136 | 0.053 |
| Achromatopsia (no color) | #2A2A2A | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #152A4A
#152A4A
oklch(28.6% 0.065 258.6)
- #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 #152A4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.028
- Space Cadet #2B2D42 ΔE 0.038
- Marine #042E60 ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.042
- Gunmetal #293241 ΔE 0.046
- Dark #1B2431 ΔE 0.046
- Midnight Green #073B4C ΔE 0.056
- Dark Blue Grey #1F3B4D ΔE 0.059
Use #152A4A 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.