#152970
Closest named color: Marine (#042E60). oklch(31.5% 0.125 266.8), rgb(21, 41, 112).
Aa
White text reads best on this color (13.26:1).
About this color
#152970 is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.125 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.034 away. White text reads best on it, at 13.26:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.58:1 |
| White text | 13.26:1 |
Values
| HEX | #152970 |
| RGB | rgb(21, 41, 112) |
| HSL | hsl(227, 68%, 26%) |
| OKLCH | oklch(31.5% 0.125 266.8) |
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 #152970 | 13.26:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #152970 | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #152970 text on white | 13.26:1 | AAA | Lc 99.2 | Preferred for body text |
| #152970 text on black | 1.58:1 | 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
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFF
oklch(93.7% 0.03 267.2)
-
Step 200
200
#C8D9FF
oklch(88.5% 0.056 266.2)
-
Step 300
300
#A5BFFF
oklch(80.9% 0.095 267.2)
-
Step 400
400
#759BFF
oklch(70.6% 0.153 266.8)
-
Step 500
500
#537EFF
oklch(63.1% 0.197 266.8)
-
Step 600
600
#345CFF
oklch(55.5% 0.245 266.9)
-
Step 700
700
#2033FF
oklch(49% 0.287 266.7)
-
Step 800
800
#1926D6
oklch(42.6% 0.254 266.8)
-
Step 900
900
#152AA8
oklch(37.6% 0.198 266.7)
-
Step 950
950 (this color)
#152970
oklch(31.5% 0.125 266.8)
#152970 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) | #003472 | 0.030 |
| Deuteranopia (no green cones) | #002C6F | 0.016 |
| Tritanopia (no blue cones) | #003B48 | 0.098 |
| Achromatopsia (no color) | #303030 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #152970
#152970
oklch(31.5% 0.125 266.8)
- #402F00
#402F00
oklch(31.6% 0.065 86.7)
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 #152970, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.034
- Midnight Blue #191970 ΔE 0.036
- Marine Blue #01386A ΔE 0.044
- Prussian Blue #1D3557 ΔE 0.061
- Royal #0C1793 ΔE 0.067
- Twilight Blue #0A437A ΔE 0.073
- Dark Royal Blue #02066F ΔE 0.075
- Deep Blue #040273 ΔE 0.076
Use #152970 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.