#0E398B
Closest named color: Twilight Blue (#0A437A). oklch(37.2% 0.144 261.7), rgb(14, 57, 139).
Aa
White text reads best on this color (10.62:1).
About this color
#0E398B is a dark, vivid blue. In OKLCH its lightness is 37%, its chroma 0.144 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.042 away. White text reads best on it, at 10.62:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 1.97:1 |
| White text | 10.62:1 |
Values
| HEX | #0E398B |
| RGB | rgb(14, 57, 139) |
| HSL | hsl(219, 82%, 30%) |
| OKLCH | oklch(37.2% 0.144 261.7) |
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 #0E398B | 10.62:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #0E398B | 1.97:1 | Fails | Lc 9.9 | Not readable |
| #0E398B text on white | 10.62:1 | AAA | Lc 94.0 | Preferred for body text |
| #0E398B text on black | 1.97:1 | 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
#4082FF
oklch(63.1% 0.198 261.6)
-
Step 600
600
#0D63FC
oklch(55.6% 0.24 261.6)
-
Step 700
700
#0050DC
oklch(49.1% 0.223 261.8)
-
Step 800
800
#0643B2
oklch(42.8% 0.185 261.7)
-
Step 900
900 (this color)
#0E398B
oklch(37.2% 0.144 261.7)
-
Step 950
950
#0B2352
oklch(27% 0.091 262)
#0E398B 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) | #00448E | 0.029 |
| Deuteranopia (no green cones) | #003989 | 0.008 |
| Tritanopia (no blue cones) | #004E5C | 0.111 |
| Achromatopsia (no color) | #3E3E3E | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0E398B
#0E398B
oklch(37.2% 0.144 261.7)
- #553B00
#553B00
oklch(37.2% 0.077 80.7)
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 #0E398B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.042
- Cobalt #1E488F ΔE 0.045
- Sapphire #2138AB ΔE 0.056
- Marine Blue #01386A ΔE 0.058
- Light Navy #155084 ΔE 0.069
- Royal #0C1793 ΔE 0.070
- Dark Slate Blue #483D8B ΔE 0.073
- Blueberry #464196 ΔE 0.075
Use #0E398B 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.