#1E238D#1E238D

#1E238D is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.9% C 0.170 H 271.0°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#1E238D
RGB	rgb(30, 35, 141)
HSL	hsl(237, 65%, 34%)
HSV	hsv(237, 79%, 55%)
CMYK	cmyk(78.7%, 75.2%, 0%, 44.7%)
CIE-LAB	lab(21.58, 36.46, -58.54)
CIE-LCH	lch(21.58, 68.97, 301.91°)
OKLab	oklab(33.93% 0.003 -0.1695)
OKLCH	oklch(33.93% 0.17 271)
XYZ	xyz(5.9425, 3.4005, 25.5373)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E238D #8D881E

analogous

#1E5A8D #1E238D #501E8D

triadic

#1E238D #8D1E23 #238D1E

tetradic

#1E238D #8D1E5A #8D881E #1E8D50

square

#1E238D #8D1E5A #8D881E #1E8D50

split-complementary

#1E238D #8D501E #5A8D1E

monochromatic

#090A28 #13165B #1E238D #2930BF #4C53D9

Accessibility & contrast

On white

12.50

#1E238D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1E238D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E238D

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E238D	#FFFFFF	#000000	##FFFFFF
##1E238D	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003990

Deuteranopia (green-blind)

#002E8B

Tritanopia (blue-blind)

#004256

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1e238d;
/* rgb */ color: rgb(30, 35, 141);
/* oklch */ color: oklch(33.9% 0.170 271.0);

Tailwind

colors: {
  custom: {
    50: '#6e5faf',
    500: '#1e238d',
    950: '#000000',
  },
}

SCSS

$custom: #1e238d;
$custom-light: #6e5faf;
$custom-dark: #000000;

JSON

{
  "hex": "#1e238d",
  "rgb": {
    "r": 30,
    "g": 35,
    "b": 141
  },
  "hsl": {
    "h": 237.297,
    "s": 64.912,
    "l": 33.529
  },
  "oklch": {
    "l": 0.33929,
    "c": 0.16954,
    "h": 271
  },
  "luminance": 0.03401
}

Semantic roles & 50–950 ramp

primary

#1E238D

secondary

#BCB74B

accent

#E040E8

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090411

muted

#7B7980

Preview Lab

Preview with #1E238D

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

Preview Lab → · Contrast checker → · Palette generator →