#1E2371#1E2371

#1E2371 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.0% C 0.132 H 273.0°. Best body text is #FFFFFF at 13.69:1 contrast (WCAG AA passes).

Color values

HEX	#1E2371
RGB	rgb(30, 35, 113)
HSL	hsl(236, 58%, 28%)
HSV	hsv(236, 73%, 44%)
CMYK	cmyk(73.5%, 69%, 0%, 55.7%)
CIE-LAB	lab(18.67, 26.14, -45.58)
CIE-LCH	lch(18.67, 52.55, 299.84°)
OKLab	oklab(30.95% 0.0068 -0.1317)
OKLCH	oklch(30.95% 0.132 273)
XYZ	xyz(4.1161, 2.6699, 15.9180)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E2371 #716C1E

analogous

#1E4C71 #1E2371 #431E71

triadic

#1E2371 #711E23 #23711E

tetradic

#1E2371 #711E4C #716C1E #1E7143

square

#1E2371 #711E4C #716C1E #1E7143

split-complementary

#1E2371 #71431E #4C711E

monochromatic

#060718 #111441 #1E2371 #2B32A1 #3E46CC

Accessibility & contrast

On white

13.69

#1E2371 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1E2371 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E2371

13.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E2371	#FFFFFF	#000000	##FFFFFF
##1E2371	1.00	13.69	1.53	13.69
#FFFFFF	13.69	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003173

Deuteranopia (green-blind)

#002A70

Tritanopia (blue-blind)

#003846

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1e2371;
/* rgb */ color: rgb(30, 35, 113);
/* oklch */ color: oklch(31.0% 0.132 273.0);

Tailwind

colors: {
  custom: {
    50: '#675e9b',
    500: '#1e2371',
    950: '#000000',
  },
}

SCSS

$custom: #1e2371;
$custom-light: #675e9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1e2371",
  "rgb": {
    "r": 30,
    "g": 35,
    "b": 113
  },
  "hsl": {
    "h": 236.386,
    "s": 58.042,
    "l": 28.039
  },
  "oklch": {
    "l": 0.30954,
    "c": 0.13186,
    "h": 273
  },
  "luminance": 0.0267
}

Semantic roles & 50–950 ramp

primary

#1E2371

secondary

#A59F46

accent

#D847E1

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1E2371

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

Preview Lab → · Contrast checker → · Palette generator →