#1E3379#1E3379

#1E3379 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 34.9% C 0.122 H 267.1°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#1E3379
RGB	rgb(30, 51, 121)
HSL	hsl(226, 60%, 30%)
HSV	hsv(226, 75%, 47%)
CMYK	cmyk(75.2%, 57.9%, 0%, 52.5%)
CIE-LAB	lab(23.75, 18.10, -42.42)
CIE-LCH	lch(23.75, 46.12, 293.11°)
OKLab	oklab(34.94% -0.0061 -0.1222)
OKLCH	oklch(34.94% 0.122 267.1)
XYZ	xyz(5.1692, 4.0236, 18.5897)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3379 #79641E

analogous

#1E6179 #1E3379 #371E79

triadic

#1E3379 #791E33 #33791E

tetradic

#1E3379 #791E61 #79641E #1E7937

square

#1E3379 #791E61 #79641E #1E7937

split-complementary

#1E3379 #79371E #61791E

monochromatic

#060A19 #121E48 #1E3379 #2A48AA #4162D0

Accessibility & contrast

On white

11.64

#1E3379 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#1E3379 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3379

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3379	#FFFFFF	#000000	##FFFFFF
##1E3379	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7B

Deuteranopia (green-blind)

#003478

Tritanopia (blue-blind)

#004450

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1e3379;
/* rgb */ color: rgb(30, 51, 121);
/* oklch */ color: oklch(34.9% 0.122 267.1);

Tailwind

colors: {
  custom: {
    50: '#686aa0',
    500: '#1e3379',
    950: '#000000',
  },
}

SCSS

$custom: #1e3379;
$custom-light: #686aa0;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3379",
  "rgb": {
    "r": 30,
    "g": 51,
    "b": 121
  },
  "hsl": {
    "h": 226.154,
    "s": 60.265,
    "l": 29.608
  },
  "oklch": {
    "l": 0.34938,
    "c": 0.12237,
    "h": 267.1
  },
  "luminance": 0.04024
}

Semantic roles & 50–950 ramp

primary

#1E3379

secondary

#AD9546

accent

#BF44E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #1E3379

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

Preview Lab → · Contrast checker → · Palette generator →