#152D4A
Closest named color: Oxford Blue (#1B263B). oklch(29.4% 0.061 254.3), rgb(21, 45, 74).
Aa
White text reads best on this color (13.94:1).
About this color
#152D4A is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.061 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.032 away. White text reads best on it, at 13.94:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.50:1 |
| White text | 13.94:1 |
Values
| HEX | #152D4A |
| RGB | rgb(21, 45, 74) |
| HSL | hsl(213, 56%, 19%) |
| OKLCH | oklch(29.4% 0.061 254.3) |
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 #152D4A | 13.94:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #152D4A | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #152D4A text on white | 13.94:1 | AAA | Lc 100.4 | Preferred for body text |
| #152D4A text on black | 1.50:1 | 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
#A1C4EF
oklch(81% 0.072 253.8)
-
Step 400
400
#6CA4E7
oklch(70.8% 0.115 253.7)
-
Step 500
500
#438BE0
oklch(63.1% 0.147 254.3)
-
Step 600
600
#1F73CE
oklch(55.6% 0.16 254.3)
-
Step 700
700
#0F60B3
oklch(49.2% 0.15 254.4)
-
Step 800
800
#124F90
oklch(42.8% 0.123 254.1)
-
Step 900
900
#174273
oklch(37.7% 0.096 254.1)
-
Step 950
950 (this color)
#152D4A
oklch(29.4% 0.061 254.3)
#152D4A 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) | #202F4B | 0.016 |
| Deuteranopia (no green cones) | #192A49 | 0.010 |
| Tritanopia (no blue cones) | #003438 | 0.049 |
| Achromatopsia (no color) | #2C2C2C | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #152D4A
#152D4A
oklch(29.4% 0.061 254.3)
- #3E2701
#3E2701
oklch(29.4% 0.061 74.5)
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 #152D4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.032
- Space Cadet #2B2D42 ΔE 0.033
- Prussian Blue #1D3557 ΔE 0.035
- Gunmetal #293241 ΔE 0.038
- Marine #042E60 ΔE 0.040
- Midnight Green #073B4C ΔE 0.046
- Dark #1B2431 ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.050
Use #152D4A 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.