#0A46A2
Closest named color: Cobalt (#1E488F). oklch(42% 0.16 260), rgb(10, 70, 162).
Aa
White text reads best on this color (8.71:1).
About this color
#0A46A2 is a dark, vivid blue. In OKLCH its lightness is 42%, its chroma 0.160 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.034 away. White text reads best on it, at 8.71:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | vivid (0.160) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.41:1 |
| White text | 8.71:1 |
Values
| HEX | #0A46A2 |
| RGB | rgb(10, 70, 162) |
| HSL | hsl(216, 88%, 34%) |
| OKLCH | oklch(42% 0.16 260) |
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 #0A46A2 | 8.71:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #0A46A2 | 2.41:1 | Fails | Lc 14.9 | Not readable |
| #0A46A2 text on white | 8.71:1 | AAA | Lc 89.1 | Fine for body text |
| #0A46A2 text on black | 2.41:1 | Fails | Lc -13.1 | 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 800.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFD
oklch(93.7% 0.027 260.3)
-
Step 200
200
#C6DAFC
oklch(88.4% 0.052 261.1)
-
Step 300
300
#9DC2FD
oklch(80.9% 0.093 259.6)
-
Step 400
400
#67A0FD
oklch(70.8% 0.149 259.7)
-
Step 500
500
#3C84FB
oklch(63.1% 0.192 260)
-
Step 600
600
#186AEA
oklch(55.6% 0.208 260)
-
Step 700
700
#0857CB
oklch(49% 0.193 260)
-
Step 800
800 (this color)
#0A46A2
oklch(42% 0.16 260)
-
Step 900
900
#143E82
oklch(37.8% 0.124 259.8)
-
Step 950
950
#0D254C
oklch(27% 0.078 259.7)
#0A46A2 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) | #0052A5 | 0.032 |
| Deuteranopia (no green cones) | #0045A0 | 0.006 |
| Tritanopia (no blue cones) | #005D6D | 0.121 |
| Achromatopsia (no color) | #4B4B4B | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A46A2
#0A46A2
oklch(42% 0.16 260)
- #664700
#664700
oklch(42.1% 0.087 80.1)
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 #0A46A2, closest first.
No curated palette has a color within ΔE 0.04 of #0A46A2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.034
- Sapphire #2138AB ΔE 0.036
- Dusk Blue #26538D ΔE 0.057
- Light Navy #155084 ΔE 0.060
- Blueberry #464196 ΔE 0.061
- Blue Blue #2242C7 ΔE 0.062
- Twilight Blue #0A437A ΔE 0.067
- Deep Sea Blue #015482 ΔE 0.070
Use #0A46A2 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.