#1E4B95
Closest named color: Cobalt (#1E488F). oklch(42.5% 0.132 259.9), rgb(30, 75, 149).
Aa
White text reads best on this color (8.41:1).
About this color
#1E4B95 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.132 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.012 away. White text reads best on it, at 8.41:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.49:1 |
| White text | 8.41:1 |
Values
| HEX | #1E4B95 |
| RGB | rgb(30, 75, 149) |
| HSL | hsl(217, 66%, 35%) |
| OKLCH | oklch(42.5% 0.132 259.9) |
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 #1E4B95 | 8.41:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #1E4B95 | 2.49:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #1E4B95 text on white | 8.41:1 | AAA | Lc 88.6 | Fine for body text |
| #1E4B95 text on black | 2.49:1 | Fails | Lc -13.6 | 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 800.
-
Step 50
50
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAF9
oklch(93.5% 0.023 260.7)
-
Step 200
200
#C9DAF6
oklch(88.4% 0.043 260.4)
-
Step 300
300
#A4C2F3
oklch(80.9% 0.077 260.1)
-
Step 400
400
#72A1ED
oklch(70.7% 0.123 259.7)
-
Step 500
500
#4D87E7
oklch(63.1% 0.157 259.9)
-
Step 600
600
#306FD5
oklch(55.7% 0.17 259.7)
-
Step 700
700
#235CB9
oklch(49.2% 0.159 259.9)
-
Step 800
800 (this color)
#1E4B95
oklch(42.5% 0.132 259.9)
-
Step 900
900
#1E4077
oklch(37.8% 0.102 259.6)
-
Step 950
950
#122646
oklch(27.1% 0.065 259.4)
#1E4B95 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) | #205398 | 0.023 |
| Deuteranopia (no green cones) | #004894 | 0.019 |
| Tritanopia (no blue cones) | #005D69 | 0.102 |
| Achromatopsia (no color) | #4D4D4D | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E4B95
#1E4B95
oklch(42.5% 0.132 259.9)
- #684800
#684800
oklch(42.6% 0.088 79.5)
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 #1E4B95, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.012
- Dusk Blue #26538D ΔE 0.030
- Light Navy #155084 ΔE 0.034
- Deep Sea Blue #015482 ΔE 0.046
- Blueberry #464196 ΔE 0.051
- Twilight Blue #0A437A ΔE 0.052
- Light Navy Blue #2E5A88 ΔE 0.056
- Denim Blue #3B5B92 ΔE 0.059
Use #1E4B95 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.