#1E4A76
Closest named color: Light Navy (#155084). oklch(40.1% 0.089 251), rgb(30, 74, 118).
Aa
White text reads best on this color (9.14:1).
About this color
#1E4A76 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.089 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.026 away. White text reads best on it, at 9.14:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.29:1 |
| White text | 9.14:1 |
Values
| HEX | #1E4A76 |
| RGB | rgb(30, 74, 118) |
| HSL | hsl(210, 59%, 29%) |
| OKLCH | oklch(40.1% 0.089 251) |
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 #1E4A76 | 9.14:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #1E4A76 | 2.29:1 | Fails | Lc 13.2 | Not readable |
| #1E4A76 text on white | 9.14:1 | AAA | Lc 90.8 | Preferred for body text |
| #1E4A76 text on black | 2.29:1 | Fails | Lc -11.5 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C8DBF1
oklch(88.4% 0.037 252.1)
-
Step 300
300
#A1C4EB
oklch(80.8% 0.067 251.4)
-
Step 400
400
#6DA5E1
oklch(70.7% 0.106 251.1)
-
Step 500
500
#428DD8
oklch(63.1% 0.136 250.9)
-
Step 600
600
#1C75C6
oklch(55.5% 0.149 251.2)
-
Step 700
700
#0B62AB
oklch(49% 0.138 251.1)
-
Step 800
800
#10518B
oklch(42.9% 0.114 250.9)
-
Step 900
900 (this color)
#1E4A76
oklch(40.1% 0.089 251)
-
Step 950
950
#0F2841
oklch(27.1% 0.056 250.6)
#1E4A76 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) | #364D78 | 0.029 |
| Deuteranopia (no green cones) | #294475 | 0.019 |
| Tritanopia (no blue cones) | #00545A | 0.067 |
| Achromatopsia (no color) | #484848 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E4A76
#1E4A76
oklch(40.1% 0.089 251)
- #653F00
#653F00
oklch(40.3% 0.087 71.3)
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 #1E4A76, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.026
- Twilight Blue #0A437A ΔE 0.029
- Deep Sea Blue #015482 ΔE 0.033
- Cobalt #1E488F ΔE 0.044
- Dusk Blue #26538D ΔE 0.045
- Dark Grey Blue #29465B ΔE 0.045
- Light Navy Blue #2E5A88 ΔE 0.057
- Charcoal #264653 ΔE 0.059
Use #1E4A76 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.