#0E579D
Closest named color: Dusk Blue (#26538D). oklch(45.5% 0.132 252.9), rgb(14, 87, 157).
Aa
White text reads best on this color (7.32:1).
About this color
#0E579D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.132 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.028 away. White text reads best on it, at 7.32:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.86:1 |
| White text | 7.32:1 |
Values
| HEX | #0E579D |
| RGB | rgb(14, 87, 157) |
| HSL | hsl(209, 84%, 34%) |
| OKLCH | oklch(45.5% 0.132 252.9) |
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 #0E579D | 7.32:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #0E579D | 2.86:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #0E579D text on white | 7.32:1 | AAA | Lc 84.9 | Fine for body text |
| #0E579D text on black | 2.86:1 | Fails | Lc -17.1 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C6DBF5
oklch(88.4% 0.042 253.8)
-
Step 300
300
#9EC4F2
oklch(80.9% 0.077 253.5)
-
Step 400
400
#66A4EB
oklch(70.7% 0.123 252.9)
-
Step 500
500
#378BE5
oklch(63% 0.158 253)
-
Step 600
600
#0073D3
oklch(55.6% 0.171 252.9)
-
Step 700
700
#0060B3
oklch(49% 0.152 253.2)
-
Step 800
800 (this color)
#0E579D
oklch(45.5% 0.132 252.9)
-
Step 900
900
#0F4276
oklch(37.7% 0.103 253)
-
Step 950
950
#0B2745
oklch(26.9% 0.065 252.8)
#0E579D 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) | #325DA0 | 0.033 |
| Deuteranopia (no green cones) | #14519C | 0.017 |
| Tritanopia (no blue cones) | #006872 | 0.098 |
| Achromatopsia (no color) | #565656 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0E579D
#0E579D
oklch(45.5% 0.132 252.9)
- #774D00
#774D00
oklch(45.6% 0.097 73.3)
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 #0E579D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.028
- Denim Blue #3B5B92 ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.042
- Light Navy #155084 ΔE 0.043
- Cobalt #1E488F ΔE 0.045
- Deep Sea Blue #015482 ΔE 0.045
- Peacock Blue #016795 ΔE 0.051
- Dusky Blue #475F94 ΔE 0.059
Use #0E579D 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.