#0A4896
Closest named color: Cobalt (#1E488F). oklch(41.4% 0.141 257.5), rgb(10, 72, 150).
Aa
White text reads best on this color (8.82:1).
About this color
#0A4896 is a dark, vivid blue. In OKLCH its lightness is 41%, its chroma 0.141 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.016 away. White text reads best on it, at 8.82:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.38:1 |
| White text | 8.82:1 |
Values
| HEX | #0A4896 |
| RGB | rgb(10, 72, 150) |
| HSL | hsl(213, 88%, 31%) |
| OKLCH | oklch(41.4% 0.141 257.5) |
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 #0A4896 | 8.82:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #0A4896 | 2.38:1 | Fails | Lc 14.4 | Not readable |
| #0A4896 text on white | 8.82:1 | AAA | Lc 89.6 | Fine for body text |
| #0A4896 text on black | 2.38:1 | Fails | Lc -12.7 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFA
oklch(93.6% 0.024 256.1)
-
Step 200
200
#C7DBF8
oklch(88.6% 0.046 257.6)
-
Step 300
300
#9FC3F6
oklch(80.9% 0.082 257.1)
-
Step 400
400
#6AA2F2
oklch(70.8% 0.132 257.4)
-
Step 500
500
#4088ED
oklch(63.2% 0.168 257.5)
-
Step 600
600
#1B6FDB
oklch(55.6% 0.183 257.4)
-
Step 700
700
#0C5CBE
oklch(49.1% 0.17 257.5)
-
Step 800
800 (this color)
#0A4896
oklch(41.4% 0.141 257.5)
-
Step 900
900
#16407A
oklch(37.7% 0.109 257.5)
-
Step 950
950
#0E2648
oklch(27% 0.07 257.6)
#0A4896 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) | #125199 | 0.026 |
| Deuteranopia (no green cones) | #004594 | 0.010 |
| Tritanopia (no blue cones) | #005B68 | 0.106 |
| Achromatopsia (no color) | #4A4A4A | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A4896
#0A4896
oklch(41.4% 0.141 257.5)
- #654400
#654400
oklch(41.3% 0.086 77.3)
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 #0A4896, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.016
- Light Navy #155084 ΔE 0.041
- Dusk Blue #26538D ΔE 0.043
- Twilight Blue #0A437A ΔE 0.048
- Deep Sea Blue #015482 ΔE 0.052
- Sapphire #2138AB ΔE 0.052
- Blueberry #464196 ΔE 0.060
- Dark Slate Blue #483D8B ΔE 0.067
Use #0A4896 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.