#152A3D
Closest named color: Oxford Blue (#1B263B). oklch(27.7% 0.045 247.4), rgb(21, 42, 61).
Aa
White text reads best on this color (14.68:1).
About this color
#152A3D is a dark, muted blue. In OKLCH its lightness is 28%, its chroma 0.045 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.014 away. White text reads best on it, at 14.68:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.43:1 |
| White text | 14.68:1 |
Values
| HEX | #152A3D |
| RGB | rgb(21, 42, 61) |
| HSL | hsl(209, 49%, 16%) |
| OKLCH | oklch(27.7% 0.045 247.4) |
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 #152A3D | 14.68:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #152A3D | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #152A3D text on white | 14.68:1 | AAA | Lc 101.4 | Preferred for body text |
| #152A3D text on black | 1.43:1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CADBEC
oklch(88.4% 0.03 248.2)
-
Step 300
300
#A6C4E2
oklch(80.8% 0.054 248.5)
-
Step 400
400
#75A6D3
oklch(70.8% 0.084 247)
-
Step 500
500
#4F8FC7
oklch(63.1% 0.108 246.9)
-
Step 600
600
#3178B4
oklch(55.6% 0.117 247.4)
-
Step 700
700
#23659B
oklch(49.2% 0.109 247.3)
-
Step 800
800
#1F527E
oklch(42.7% 0.091 248)
-
Step 900
900
#1F4465
oklch(37.6% 0.071 247.8)
-
Step 950
950 (this color)
#152A3D
oklch(27.7% 0.045 247.4)
#152A3D 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) | #222B3E | 0.019 |
| Deuteranopia (no green cones) | #1D273D | 0.014 |
| Tritanopia (no blue cones) | #002E31 | 0.036 |
| Achromatopsia (no color) | #282828 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #152A3D
#152A3D
oklch(27.7% 0.045 247.4)
- #37240E
#37240E
oklch(27.8% 0.045 68.1)
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 #152A3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.014
- Dark #1B2431 ΔE 0.026
- Space Cadet #2B2D42 ΔE 0.036
- Jet #212529 ΔE 0.038
- Gunmetal #293241 ΔE 0.042
- Prussian Blue #1D3557 ΔE 0.056
- Midnight Green #073B4C ΔE 0.057
- Rich Black #0D1B2A ΔE 0.060
Use #152A3D 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.