#1E376C#1E376C

#1E376C is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.8% C 0.097 H 263.3°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#1E376C
RGB	rgb(30, 55, 108)
HSL	hsl(221, 57%, 27%)
HSV	hsv(221, 72%, 42%)
CMYK	cmyk(72.2%, 49.1%, 0%, 57.6%)
CIE-LAB	lab(23.97, 10.03, -33.76)
CIE-LCH	lch(23.97, 35.22, 286.55°)
OKLab	oklab(34.79% -0.0114 -0.0967)
OKLCH	oklch(34.79% 0.097 263.3)
XYZ	xyz(4.6074, 4.0906, 14.7312)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E376C #6C531E

analogous

#1E5E6C #1E376C #2C1E6C

triadic

#1E376C #6C1E37 #376C1E

tetradic

#1E376C #6C1E5E #6C531E #1E6C2C

square

#1E376C #6C1E5E #6C531E #1E6C2C

split-complementary

#1E376C #6C2C1E #5E6C1E

monochromatic

#070C18 #111F3C #1E376C #2B4F9C #3C69C9

Accessibility & contrast

On white

11.55

#1E376C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1E376C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E376C

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E376C	#FFFFFF	#000000	##FFFFFF
##1E376C	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C3D6E

Deuteranopia (green-blind)

#0B366B

Tritanopia (blue-blind)

#00434C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1e376c;
/* rgb */ color: rgb(30, 55, 108);
/* oklch */ color: oklch(34.8% 0.097 263.3);

Tailwind

colors: {
  custom: {
    50: '#646d96',
    500: '#1e376c',
    950: '#000000',
  },
}

SCSS

$custom: #1e376c;
$custom-light: #646d96;
$custom-dark: #000000;

JSON

{
  "hex": "#1e376c",
  "rgb": {
    "r": 30,
    "g": 55,
    "b": 108
  },
  "hsl": {
    "h": 220.769,
    "s": 56.522,
    "l": 27.059
  },
  "oklch": {
    "l": 0.34794,
    "c": 0.09735,
    "h": 263.3
  },
  "luminance": 0.04091
}

Semantic roles & 50–950 ramp

primary

#1E376C

secondary

#A08345

accent

#AF48E0

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #1E376C

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

Preview Lab → · Contrast checker → · Palette generator →