#1E3579#1E3579

#1E3579 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.4% C 0.120 H 266.2°. Best body text is #FFFFFF at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#1E3579
RGB	rgb(30, 53, 121)
HSL	hsl(225, 60%, 30%)
HSV	hsv(225, 75%, 47%)
CMYK	cmyk(75.2%, 56.2%, 0%, 52.5%)
CIE-LAB	lab(24.33, 16.69, -41.48)
CIE-LCH	lch(24.33, 44.71, 291.92°)
OKLab	oklab(35.38% -0.0079 -0.1194)
OKLCH	oklch(35.38% 0.12 266.2)
XYZ	xyz(5.2585, 4.2021, 18.6194)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3579 #79621E

analogous

#1E6379 #1E3579 #341E79

triadic

#1E3579 #791E35 #35791E

tetradic

#1E3579 #791E63 #79621E #1E7934

square

#1E3579 #791E63 #79621E #1E7934

split-complementary

#1E3579 #79341E #63791E

monochromatic

#060B19 #122048 #1E3579 #2A4AAA #4165D0

Accessibility & contrast

On white

11.41

#1E3579 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1E3579 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3579

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3579	#FFFFFF	#000000	##FFFFFF
##1E3579	1.00	11.41	1.84	11.41
#FFFFFF	11.41	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#013E7B

Deuteranopia (green-blind)

#003678

Tritanopia (blue-blind)

#004551

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1e3579;
/* rgb */ color: rgb(30, 53, 121);
/* oklch */ color: oklch(35.4% 0.120 266.2);

Tailwind

colors: {
  custom: {
    50: '#676ba0',
    500: '#1e3579',
    950: '#000000',
  },
}

SCSS

$custom: #1e3579;
$custom-light: #676ba0;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3579",
  "rgb": {
    "r": 30,
    "g": 53,
    "b": 121
  },
  "hsl": {
    "h": 224.835,
    "s": 60.265,
    "l": 29.608
  },
  "oklch": {
    "l": 0.35375,
    "c": 0.11968,
    "h": 266.2
  },
  "luminance": 0.04203
}

Semantic roles & 50–950 ramp

primary

#1E3579

secondary

#AD9346

accent

#BB44E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #1E3579

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

Preview Lab → · Contrast checker → · Palette generator →