#0E398C
Closest named color: Twilight Blue (#0A437A). oklch(37.3% 0.146 261.8), rgb(14, 57, 140).
Aa
White text reads best on this color (10.59:1).
About this color
#0E398C is a dark, vivid blue. In OKLCH its lightness is 37%, its chroma 0.146 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.043 away. White text reads best on it, at 10.59:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 1.98:1 |
| White text | 10.59:1 |
Values
| HEX | #0E398C |
| RGB | rgb(14, 57, 140) |
| HSL | hsl(220, 82%, 30%) |
| OKLCH | oklch(37.3% 0.146 261.8) |
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 #0E398C | 10.59:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #0E398C | 1.98:1 | Fails | Lc 10.0 | Not readable |
| #0E398C text on white | 10.59:1 | AAA | Lc 93.9 | Preferred for body text |
| #0E398C text on black | 1.98:1 | Fails | Lc -8.6 | 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 900.
-
Step 50
50
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEBFF
oklch(93.7% 0.03 260.7)
-
Step 200
200
#C5DAFF
oklch(88.5% 0.056 261.8)
-
Step 300
300
#9FC1FF
oklch(80.9% 0.096 262.2)
-
Step 400
400
#6A9EFF
oklch(70.6% 0.153 261.9)
-
Step 500
500
#4182FF
oklch(63.1% 0.198 261.8)
-
Step 600
600
#0D62FE
oklch(55.6% 0.243 261.8)
-
Step 700
700
#0050DC
oklch(49.1% 0.223 261.8)
-
Step 800
800
#0542B3
oklch(42.6% 0.188 261.9)
-
Step 900
900 (this color)
#0E398C
oklch(37.3% 0.146 261.8)
-
Step 950
950
#0A2353
oklch(27% 0.093 261.7)
#0E398C 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) | #00458F | 0.032 |
| Deuteranopia (no green cones) | #00398A | 0.008 |
| Tritanopia (no blue cones) | #004E5C | 0.112 |
| Achromatopsia (no color) | #3F3F3F | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0E398C
#0E398C
oklch(37.3% 0.146 261.8)
- #553C00
#553C00
oklch(37.4% 0.077 82.1)
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 #0E398C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.043
- Cobalt #1E488F ΔE 0.045
- Sapphire #2138AB ΔE 0.054
- Marine Blue #01386A ΔE 0.059
- Light Navy #155084 ΔE 0.069
- Royal #0C1793 ΔE 0.070
- Dark Slate Blue #483D8B ΔE 0.073
- Blueberry #464196 ΔE 0.074
Use #0E398C 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.