#1E377D#1E377D

#1E377D is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.2% C 0.123 H 265.7°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#1E377D
RGB	rgb(30, 55, 125)
HSL	hsl(224, 61%, 30%)
HSV	hsv(224, 76%, 49%)
CMYK	cmyk(76%, 56%, 0%, 51%)
CIE-LAB	lab(25.22, 16.89, -42.55)
CIE-LCH	lch(25.22, 45.78, 291.65°)
OKLab	oklab(36.15% -0.0093 -0.1225)
OKLCH	oklch(36.15% 0.123 265.7)
XYZ	xyz(5.6020, 4.4885, 19.9692)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E377D #7D641E

analogous

#1E667D #1E377D #351E7D

triadic

#1E377D #7D1E37 #377D1E

tetradic

#1E377D #7D1E66 #7D641E #1E7D35

square

#1E377D #7D1E66 #7D641E #1E7D35

split-complementary

#1E377D #7D351E #667D1E

monochromatic

#060C1A #12214C #1E377D #2A4DAE #4369D2

Accessibility & contrast

On white

11.07

#1E377D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#1E377D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E377D

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E377D	#FFFFFF	#000000	##FFFFFF
##1E377D	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01407F

Deuteranopia (green-blind)

#00387C

Tritanopia (blue-blind)

#004854

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1e377d;
/* rgb */ color: rgb(30, 55, 125);
/* oklch */ color: oklch(36.2% 0.123 265.7);

Tailwind

colors: {
  custom: {
    50: '#686da3',
    500: '#1e377d',
    950: '#000000',
  },
}

SCSS

$custom: #1e377d;
$custom-light: #686da3;
$custom-dark: #000000;

JSON

{
  "hex": "#1e377d",
  "rgb": {
    "r": 30,
    "g": 55,
    "b": 125
  },
  "hsl": {
    "h": 224.211,
    "s": 61.29,
    "l": 30.392
  },
  "oklch": {
    "l": 0.36151,
    "c": 0.1229,
    "h": 265.7
  },
  "luminance": 0.04489
}

Semantic roles & 50–950 ramp

primary

#1E377D

secondary

#B09446

accent

#BA43E4

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1E377D

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

Preview Lab → · Contrast checker → · Palette generator →