#1E4382
Closest named color: Twilight Blue (#0A437A). oklch(39.3% 0.114 260.3), rgb(30, 67, 130).
Aa
White text reads best on this color (9.63:1).
About this color
#1E4382 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.114 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.020 away. White text reads best on it, at 9.63:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.18:1 |
| White text | 9.63:1 |
Values
| HEX | #1E4382 |
| RGB | rgb(30, 67, 130) |
| HSL | hsl(218, 62%, 31%) |
| OKLCH | oklch(39.3% 0.114 260.3) |
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 #1E4382 | 9.63:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #1E4382 | 2.18:1 | Fails | Lc 12.0 | Not readable |
| #1E4382 text on white | 9.63:1 | AAA | Lc 92.0 | Preferred for body text |
| #1E4382 text on black | 2.18:1 | Fails | Lc -10.4 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFB
oklch(93.7% 0.025 257.6)
-
Step 200
200
#C7DAF9
oklch(88.4% 0.048 260.2)
-
Step 300
300
#A1C2F9
oklch(81% 0.086 260.5)
-
Step 400
400
#6DA0F6
oklch(70.7% 0.138 260.4)
-
Step 500
500
#4685F2
oklch(63.1% 0.176 260.5)
-
Step 600
600
#276CE0
oklch(55.6% 0.19 260.3)
-
Step 700
700
#1959C3
oklch(49% 0.178 260.3)
-
Step 800
800
#184A9E
oklch(42.8% 0.147 260.3)
-
Step 900
900 (this color)
#1E4382
oklch(39.3% 0.114 260.3)
-
Step 950
950
#102549
oklch(26.9% 0.072 260.4)
#1E4382 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) | #214A84 | 0.021 |
| Deuteranopia (no green cones) | #074081 | 0.019 |
| Tritanopia (no blue cones) | #00525C | 0.090 |
| Achromatopsia (no color) | #454545 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E4382
#1E4382
oklch(39.3% 0.114 260.3)
- #5C4000
#5C4000
oklch(39.3% 0.081 80.5)
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 #1E4382, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.020
- Cobalt #1E488F ΔE 0.025
- Light Navy #155084 ΔE 0.037
- Dusk Blue #26538D ΔE 0.050
- Deep Sea Blue #015482 ΔE 0.050
- Marine Blue #01386A ΔE 0.057
- Dark Slate Blue #483D8B ΔE 0.058
- Blueberry #464196 ΔE 0.062
Use #1E4382 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.