#1E4599#1E4599

#1E4599 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.5% C 0.145 H 262.9°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#1E4599
RGB	rgb(30, 69, 153)
HSL	hsl(221, 67%, 36%)
HSV	hsv(221, 80%, 60%)
CMYK	cmyk(80.4%, 54.9%, 0%, 40%)
CIE-LAB	lab(31.42, 18.42, -49.82)
CIE-LCH	lch(31.42, 53.12, 290.29°)
OKLab	oklab(41.52% -0.0178 -0.1437)
OKLCH	oklch(41.52% 0.145 262.9)
XYZ	xyz(8.4113, 6.8312, 31.0061)
Luminance	0.0683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4599 #99721E

analogous

#1E8299 #1E4599 #351E99

triadic

#1E4599 #991E45 #45991E

tetradic

#1E4599 #991E82 #99721E #1E9935

square

#1E4599 #991E82 #99721E #1E9935

split-complementary

#1E4599 #99351E #82991E

monochromatic

#0A1733 #142E66 #1E4599 #285CCC #5480DD

Accessibility & contrast

On white

8.87

#1E4599 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#1E4599 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4599

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4599	#FFFFFF	#000000	##FFFFFF
##1E4599	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509C

Deuteranopia (green-blind)

#004597

Tritanopia (blue-blind)

#005A68

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1e4599;
/* rgb */ color: rgb(30, 69, 153);
/* oklch */ color: oklch(41.5% 0.145 262.9);

Tailwind

colors: {
  custom: {
    50: '#6f78b8',
    500: '#1e4599',
    950: '#000000',
  },
}

SCSS

$custom: #1e4599;
$custom-light: #6f78b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4599",
  "rgb": {
    "r": 30,
    "g": 69,
    "b": 153
  },
  "hsl": {
    "h": 220.976,
    "s": 67.213,
    "l": 35.882
  },
  "oklch": {
    "l": 0.41524,
    "c": 0.14477,
    "h": 262.9
  },
  "luminance": 0.06832
}

Semantic roles & 50–950 ramp

primary

#1E4599

secondary

#C19E52

accent

#B33EEA

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1E4599

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →