#1E238E#1E238E

#1E238E is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.0% C 0.171 H 271.0°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#1E238E
RGB	rgb(30, 35, 142)
HSL	hsl(237, 65%, 34%)
HSV	hsv(237, 79%, 56%)
CMYK	cmyk(78.9%, 75.4%, 0%, 44.3%)
CIE-LAB	lab(21.69, 36.82, -58.98)
CIE-LCH	lch(21.69, 69.53, 301.97°)
OKLab	oklab(34.04% 0.0029 -0.1708)
OKLCH	oklch(34.04% 0.171 271)
XYZ	xyz(6.0173, 3.4304, 25.9309)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E238E #8E891E

analogous

#1E5B8E #1E238E #511E8E

triadic

#1E238E #8E1E23 #238E1E

tetradic

#1E238E #8E1E5B #8E891E #1E8E51

square

#1E238E #8E1E5B #8E891E #1E8E51

split-complementary

#1E238E #8E511E #5B8E1E

monochromatic

#090A29 #13175B #1E238E #292FC1 #4D53D9

Accessibility & contrast

On white

12.45

#1E238E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1E238E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E238E

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E238E	#FFFFFF	#000000	##FFFFFF
##1E238E	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003991

Deuteranopia (green-blind)

#002E8C

Tritanopia (blue-blind)

#004256

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1e238e;
/* rgb */ color: rgb(30, 35, 142);
/* oklch */ color: oklch(34.0% 0.171 271.0);

Tailwind

colors: {
  custom: {
    50: '#6f5fb0',
    500: '#1e238e',
    950: '#000000',
  },
}

SCSS

$custom: #1e238e;
$custom-light: #6f5fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#1e238e",
  "rgb": {
    "r": 30,
    "g": 35,
    "b": 142
  },
  "hsl": {
    "h": 237.321,
    "s": 65.116,
    "l": 33.725
  },
  "oklch": {
    "l": 0.34039,
    "c": 0.17081,
    "h": 271
  },
  "luminance": 0.03431
}

Semantic roles & 50–950 ramp

primary

#1E238E

secondary

#BCB74C

accent

#E140E8

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1E238E

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

Preview Lab → · Contrast checker → · Palette generator →