#1E31A6#1E31A6

#1E31A6 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.9% C 0.186 H 268.1°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#1E31A6
RGB	rgb(30, 49, 166)
HSL	hsl(232, 69%, 38%)
HSV	hsv(232, 82%, 65%)
CMYK	cmyk(81.9%, 70.5%, 0%, 34.9%)
CIE-LAB	lab(27.37, 36.80, -64.33)
CIE-LCH	lch(27.37, 74.11, 299.77°)
OKLab	oklab(38.87% -0.0061 -0.1864)
OKLCH	oklch(38.87% 0.186 268.1)
XYZ	xyz(8.5143, 5.2248, 36.6287)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E31A6 #A6931E

analogous

#1E75A6 #1E31A6 #4F1EA6

triadic

#1E31A6 #A61E31 #31A61E

tetradic

#1E31A6 #A61E75 #A6931E #1EA64F

square

#1E31A6 #A61E75 #A6931E #1EA64F

split-complementary

#1E31A6 #A64F1E #75A61E

monochromatic

#0B123E #152272 #1E31A6 #2941D8 #5D6FE2

Accessibility & contrast

On white

10.27

#1E31A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#1E31A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E31A6

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E31A6	#FFFFFF	#000000	##FFFFFF
##1E31A6	1.00	10.27	2.05	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047AA

Deuteranopia (green-blind)

#003AA4

Tritanopia (blue-blind)

#005268

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1e31a6;
/* rgb */ color: rgb(30, 49, 166);
/* oklch */ color: oklch(38.9% 0.186 268.1);

Tailwind

colors: {
  custom: {
    50: '#7469c2',
    500: '#1e31a6',
    950: '#000000',
  },
}

SCSS

$custom: #1e31a6;
$custom-light: #7469c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e31a6",
  "rgb": {
    "r": 30,
    "g": 49,
    "b": 166
  },
  "hsl": {
    "h": 231.618,
    "s": 69.388,
    "l": 38.431
  },
  "oklch": {
    "l": 0.38872,
    "c": 0.18649,
    "h": 268.1
  },
  "luminance": 0.05226
}

Semantic roles & 50–950 ramp

primary

#1E31A6

secondary

#C6B75A

accent

#D43CEC

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #1E31A6

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

Preview Lab → · Contrast checker → · Palette generator →