#0E509E
Closest named color: Cobalt (#1E488F). oklch(44% 0.141 256.4), rgb(14, 80, 158).
Aa
White text reads best on this color (7.89:1).
About this color
#0E509E is a dark, vivid blue. In OKLCH its lightness is 44%, its chroma 0.141 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.031 away. White text reads best on it, at 7.89:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.65:1 |
| White text | 7.89:1 |
Values
| HEX | #0E509E |
| RGB | rgb(14, 80, 158) |
| HSL | hsl(213, 84%, 34%) |
| OKLCH | oklch(44% 0.141 256.4) |
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 #0E509E | 7.89:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #0E509E | 2.65:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #0E509E text on white | 7.89:1 | AAA | Lc 86.8 | Fine for body text |
| #0E509E text on black | 2.65:1 | Fails | Lc -15.3 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFA
oklch(93.6% 0.024 256.1)
-
Step 200
200
#C6DBF8
oklch(88.5% 0.046 256.5)
-
Step 300
300
#9EC3F6
oklch(80.9% 0.083 256.5)
-
Step 400
400
#68A2F2
oklch(70.7% 0.133 256.7)
-
Step 500
500
#3B89ED
oklch(63.2% 0.169 256.1)
-
Step 600
600
#1170DB
oklch(55.6% 0.183 256.2)
-
Step 700
700
#005DBE
oklch(49.2% 0.17 256.3)
-
Step 800
800 (this color)
#0E509E
oklch(44% 0.141 256.4)
-
Step 900
900
#13407A
oklch(37.6% 0.11 256.6)
-
Step 950
950
#0D2648
oklch(27% 0.07 257)
#0E509E 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) | #2158A1 | 0.027 |
| Deuteranopia (no green cones) | #004C9C | 0.014 |
| Tritanopia (no blue cones) | #00636F | 0.107 |
| Achromatopsia (no color) | #515151 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0E509E
#0E509E
oklch(44% 0.141 256.4)
- #6F4A00
#6F4A00
oklch(43.9% 0.092 76.1)
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 #0E509E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.031
- Dusk Blue #26538D ΔE 0.034
- Light Navy #155084 ΔE 0.043
- Deep Sea Blue #015482 ΔE 0.050
- Light Navy Blue #2E5A88 ΔE 0.056
- Denim Blue #3B5B92 ΔE 0.056
- Blueberry #464196 ΔE 0.062
- Sapphire #2138AB ΔE 0.063
Use #0E509E 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.