#152140
Closest named color: Oxford Blue (#1B263B). oklch(25.5% 0.061 266.2), rgb(21, 33, 64).
Aa
White text reads best on this color (15.86:1).
About this color
#152140 is a dark, muted blue. In OKLCH its lightness is 26%, its chroma 0.061 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.024 away. White text reads best on it, at 15.86:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.32:1 |
| White text | 15.86:1 |
Values
| HEX | #152140 |
| RGB | rgb(21, 33, 64) |
| HSL | hsl(223, 51%, 17%) |
| OKLCH | oklch(25.5% 0.061 266.2) |
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 #152140 | 15.86:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #152140 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #152140 text on white | 15.86:1 | AAA | Lc 102.7 | Preferred for body text |
| #152140 text on black | 1.32:1 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CDD9F5
oklch(88.5% 0.041 267.1)
-
Step 300
300
#ABC0F0
oklch(80.9% 0.072 266.3)
-
Step 400
400
#7F9EE9
oklch(70.7% 0.116 266.4)
-
Step 500
500
#6084E2
oklch(63.1% 0.147 266.5)
-
Step 600
600
#476CD0
oklch(55.7% 0.16 266.1)
-
Step 700
700
#3959B4
oklch(49% 0.149 266.4)
-
Step 800
800
#2F4992
oklch(42.6% 0.124 266.4)
-
Step 900
900
#2A3E74
oklch(37.7% 0.096 266.6)
-
Step 950
950 (this color)
#152140
oklch(25.5% 0.061 266.2)
#152140 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) | #132441 | 0.010 |
| Deuteranopia (no green cones) | #0D203F | 0.011 |
| Tritanopia (no blue cones) | #00282D | 0.054 |
| Achromatopsia (no color) | #222222 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #152140
#152140
oklch(25.5% 0.061 266.2)
- #2E2100
#2E2100
oklch(25.6% 0.052 86.9)
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 #152140, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.024
- Dark #1B2431 ΔE 0.034
- Rich Black #0D1B2A ΔE 0.047
- Jet #212529 ΔE 0.052
- Space Cadet #2B2D42 ΔE 0.056
- Navy Blue #001146 ΔE 0.061
- Marine #042E60 ΔE 0.066
- Gunmetal #293241 ΔE 0.068
Use #152140 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.