#1E5595
Closest named color: Dusk Blue (#26538D). oklch(44.9% 0.119 254.7), rgb(30, 85, 149).
Aa
White text reads best on this color (7.53:1).
About this color
#1E5595 is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.119 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.014 away. White text reads best on it, at 7.53:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.78:1 |
| White text | 7.53:1 |
Values
| HEX | #1E5595 |
| RGB | rgb(30, 85, 149) |
| HSL | hsl(212, 66%, 35%) |
| OKLCH | oklch(44.9% 0.119 254.7) |
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 #1E5595 | 7.53:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #1E5595 | 2.78:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #1E5595 text on white | 7.53:1 | AAA | Lc 85.8 | Fine for body text |
| #1E5595 text on black | 2.78:1 | Fails | Lc -16.3 | Dividers and decoration only |
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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C8DBF3
oklch(88.5% 0.039 254.3)
-
Step 300
300
#A2C3EE
oklch(80.8% 0.071 255.2)
-
Step 400
400
#6FA3E5
oklch(70.6% 0.112 254.9)
-
Step 500
500
#478BDD
oklch(63.1% 0.142 254.5)
-
Step 600
600
#2673CB
oklch(55.6% 0.155 254.7)
-
Step 700
700
#1860B0
oklch(49.1% 0.145 254.8)
-
Step 800
800 (this color)
#1E5595
oklch(44.9% 0.119 254.7)
-
Step 900
900
#1A4272
oklch(37.7% 0.094 254.8)
-
Step 950
950
#102742
oklch(27% 0.058 253.9)
#1E5595 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) | #355A98 | 0.027 |
| Deuteranopia (no green cones) | #204F94 | 0.017 |
| Tritanopia (no blue cones) | #00646D | 0.091 |
| Achromatopsia (no color) | #545454 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E5595
#1E5595
oklch(44.9% 0.119 254.7)
- #734C00
#734C00
oklch(44.9% 0.095 75.2)
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 #1E5595, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.014
- Light Navy #155084 ΔE 0.031
- Light Navy Blue #2E5A88 ΔE 0.032
- Denim Blue #3B5B92 ΔE 0.035
- Deep Sea Blue #015482 ΔE 0.036
- Cobalt #1E488F ΔE 0.037
- Peacock Blue #016795 ΔE 0.053
- Twilight #4E518B ΔE 0.054
Use #1E5595 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.