#152A37
Closest named color: Oxford Blue (#1B263B). oklch(27.4% 0.036 237.3), rgb(21, 42, 55).
Aa
White text reads best on this color (14.80:1).
About this color
#152A37 is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.036 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.019 away. White text reads best on it, at 14.80:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.41:1 |
| White text | 14.80:1 |
Values
| HEX | #152A37 |
| RGB | rgb(21, 42, 55) |
| HSL | hsl(203, 45%, 15%) |
| OKLCH | oklch(27.4% 0.036 237.3) |
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 #152A37 | 14.80:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #152A37 | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #152A37 text on white | 14.80:1 | AAA | Lc 101.6 | Preferred for body text |
| #152A37 text on black | 1.41:1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CBDCE7
oklch(88.5% 0.024 236)
-
Step 300
300
#A7C5D9
oklch(80.8% 0.043 237.3)
-
Step 400
400
#77A7C6
oklch(70.6% 0.069 237.3)
-
Step 500
500
#5291B8
oklch(63% 0.088 237.5)
-
Step 600
600
#337BA4
oklch(55.6% 0.095 237.1)
-
Step 700
700
#25678D
oklch(49% 0.089 238)
-
Step 800
800
#215472
oklch(42.6% 0.073 237.9)
-
Step 900
900
#21465C
oklch(37.7% 0.057 237)
-
Step 950
950 (this color)
#152A37
oklch(27.4% 0.036 237.3)
#152A37 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) | #242A38 | 0.022 |
| Deuteranopia (no green cones) | #1F2637 | 0.018 |
| Tritanopia (no blue cones) | #032D2E | 0.028 |
| Achromatopsia (no color) | #282828 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #152A37
#152A37
oklch(27.4% 0.036 237.3)
- #352315
#352315
oklch(27.4% 0.036 58.4)
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 #152A37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.019
- Dark #1B2431 ΔE 0.021
- Jet #212529 ΔE 0.029
- Space Cadet #2B2D42 ΔE 0.041
- Gunmetal #293241 ΔE 0.044
- Rich Black #0D1B2A ΔE 0.057
- Midnight Green #073B4C ΔE 0.060
- Prussian Blue #1D3557 ΔE 0.065
Use #152A37 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.