#1E377C#1E377C

#1E377C is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.1% C 0.121 H 265.6°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#1E377C
RGB	rgb(30, 55, 124)
HSL	hsl(224, 61%, 30%)
HSV	hsv(224, 76%, 49%)
CMYK	cmyk(75.8%, 55.6%, 0%, 51.4%)
CIE-LAB	lab(25.15, 16.49, -42.05)
CIE-LCH	lch(25.15, 45.17, 291.41°)
OKLab	oklab(36.07% -0.0094 -0.1211)
OKLCH	oklch(36.07% 0.121 265.6)
XYZ	xyz(5.5384, 4.4630, 19.6344)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E377C #7C631E

analogous

#1E667C #1E377C #341E7C

triadic

#1E377C #7C1E37 #377C1E

tetradic

#1E377C #7C1E66 #7C631E #1E7C34

square

#1E377C #7C1E66 #7C631E #1E7C34

split-complementary

#1E377C #7C341E #667C1E

monochromatic

#060B19 #12214B #1E377C #2A4DAD #4369D1

Accessibility & contrast

On white

11.09

#1E377C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#1E377C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E377C

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E377C	#FFFFFF	#000000	##FFFFFF
##1E377C	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#03407E

Deuteranopia (green-blind)

#00387B

Tritanopia (blue-blind)

#004854

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1e377c;
/* rgb */ color: rgb(30, 55, 124);
/* oklch */ color: oklch(36.1% 0.121 265.6);

Tailwind

colors: {
  custom: {
    50: '#686da2',
    500: '#1e377c',
    950: '#000000',
  },
}

SCSS

$custom: #1e377c;
$custom-light: #686da2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e377c",
  "rgb": {
    "r": 30,
    "g": 55,
    "b": 124
  },
  "hsl": {
    "h": 224.043,
    "s": 61.039,
    "l": 30.196
  },
  "oklch": {
    "l": 0.36067,
    "c": 0.12143,
    "h": 265.6
  },
  "luminance": 0.04464
}

Semantic roles & 50–950 ramp

primary

#1E377C

secondary

#AF9346

accent

#B944E4

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1E377C

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

Preview Lab → · Contrast checker → · Palette generator →