#0252AC
Closest named color: Cobalt (#1E488F). oklch(45.3% 0.159 257), rgb(2, 82, 172).
Aa
White text reads best on this color (7.48:1).
About this color
#0252AC is a medium-dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.159 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.052 away. White text reads best on it, at 7.48:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.159) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.80:1 |
| White text | 7.48:1 |
Values
| HEX | #0252AC |
| RGB | rgb(2, 82, 172) |
| HSL | hsl(212, 98%, 34%) |
| OKLCH | oklch(45.3% 0.159 257) |
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 #0252AC | 7.48:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #0252AC | 2.80:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #0252AC text on white | 7.48:1 | AAA | Lc 85.3 | Fine for body text |
| #0252AC text on black | 2.80:1 | Fails | Lc -16.8 | Dividers and decoration only |
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 800.
-
Step 50
50
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DFEBFC
oklch(93.6% 0.026 257)
-
Step 200
200
#C4DBFC
oklch(88.5% 0.052 257.4)
-
Step 300
300
#9AC3FD
oklch(80.9% 0.094 257.1)
-
Step 400
400
#60A1FC
oklch(70.6% 0.15 257.1)
-
Step 500
500
#2F86F9
oklch(63% 0.19 257.1)
-
Step 600
600
#006EE3
oklch(55.7% 0.197 256.9)
-
Step 700
700
#005CC0
oklch(49.1% 0.174 256.9)
-
Step 800
800 (this color)
#0252AC
oklch(45.3% 0.159 257)
-
Step 900
900
#093F82
oklch(37.7% 0.125 257.1)
-
Step 950
950
#09264C
oklch(27.1% 0.078 256.8)
#0252AC 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) | #0E5CAF | 0.029 |
| Deuteranopia (no green cones) | #004EAA | 0.011 |
| Tritanopia (no blue cones) | #006877 | 0.119 |
| Achromatopsia (no color) | #555555 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0252AC
#0252AC
oklch(45.3% 0.159 257)
- #734E00
#734E00
oklch(45.3% 0.095 77.4)
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 #0252AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.052
- Dusk Blue #26538D ΔE 0.053
- Blue Blue #2242C7 ΔE 0.058
- Sapphire #2138AB ΔE 0.062
- Light Navy #155084 ΔE 0.065
- Denim Blue #3B5B92 ΔE 0.066
- Deep Sea Blue #015482 ΔE 0.070
- Light Navy Blue #2E5A88 ΔE 0.071
Use #0252AC 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.