#1E3181#1E3181

#1E3181 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.2% C 0.137 H 268.2°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#1E3181
RGB	rgb(30, 49, 129)
HSL	hsl(228, 62%, 31%)
HSV	hsv(228, 77%, 51%)
CMYK	cmyk(76.7%, 62%, 0%, 49.4%)
CIE-LAB	lab(23.86, 22.69, -47.29)
CIE-LCH	lch(23.86, 52.46, 295.63°)
OKLab	oklab(35.23% -0.0043 -0.1366)
OKLCH	oklch(35.23% 0.137 268.2)
XYZ	xyz(5.5948, 4.0570, 21.2528)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3181 #816E1E

analogous

#1E6281 #1E3181 #3C1E81

triadic

#1E3181 #811E31 #31811E

tetradic

#1E3181 #811E62 #816E1E #1E813C

square

#1E3181 #811E62 #816E1E #1E813C

split-complementary

#1E3181 #813C1E #62811E

monochromatic

#070B1E #121E4F #1E3181 #2A44B3 #4661D4

Accessibility & contrast

On white

11.59

#1E3181 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#1E3181 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3181

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3181	#FFFFFF	#000000	##FFFFFF
##1E3181	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E84

Deuteranopia (green-blind)

#00347F

Tritanopia (blue-blind)

#004554

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1e3181;
/* rgb */ color: rgb(30, 49, 129);
/* oklch */ color: oklch(35.2% 0.137 268.2);

Tailwind

colors: {
  custom: {
    50: '#6a68a6',
    500: '#1e3181',
    950: '#000000',
  },
}

SCSS

$custom: #1e3181;
$custom-light: #6a68a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3181",
  "rgb": {
    "r": 30,
    "g": 49,
    "b": 129
  },
  "hsl": {
    "h": 228.485,
    "s": 62.264,
    "l": 31.176
  },
  "oklch": {
    "l": 0.35231,
    "c": 0.13664,
    "h": 268.2
  },
  "luminance": 0.04058
}

Semantic roles & 50–950 ramp

primary

#1E3181

secondary

#B49F47

accent

#C642E5

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1E3181

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

Preview Lab → · Contrast checker → · Palette generator →