#1E309D#1E309D

#1E309D is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.8% C 0.176 H 268.4°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#1E309D
RGB	rgb(30, 48, 157)
HSL	hsl(231, 68%, 37%)
HSV	hsv(231, 81%, 62%)
CMYK	cmyk(80.9%, 69.4%, 0%, 38.4%)
CIE-LAB	lab(26.23, 34.12, -60.75)
CIE-LCH	lch(26.23, 69.67, 299.32°)
OKLab	oklab(37.77% -0.0049 -0.1759)
OKLCH	oklch(37.77% 0.176 268.4)
XYZ	xyz(7.6761, 4.8234, 32.4182)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E309D #9D8B1E

analogous

#1E709D #1E309D #4C1E9D

triadic

#1E309D #9D1E30 #309D1E

tetradic

#1E309D #9D1E70 #9D8B1E #1E9D4C

square

#1E309D #9D1E70 #9D8B1E #1E9D4C

split-complementary

#1E309D #9D4C1E #709D1E

monochromatic

#0A1136 #14206A #1E309D #2840D0 #576ADF

Accessibility & contrast

On white

10.69

#1E309D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#1E309D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E309D

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E309D	#FFFFFF	#000000	##FFFFFF
##1E309D	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A0

Deuteranopia (green-blind)

#00389B

Tritanopia (blue-blind)

#004E62

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1e309d;
/* rgb */ color: rgb(30, 48, 157);
/* oklch */ color: oklch(37.8% 0.176 268.4);

Tailwind

colors: {
  custom: {
    50: '#7168bb',
    500: '#1e309d',
    950: '#000000',
  },
}

SCSS

$custom: #1e309d;
$custom-light: #7168bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1e309d",
  "rgb": {
    "r": 30,
    "g": 48,
    "b": 157
  },
  "hsl": {
    "h": 231.496,
    "s": 67.914,
    "l": 36.667
  },
  "oklch": {
    "l": 0.37772,
    "c": 0.17602,
    "h": 268.4
  },
  "luminance": 0.04824
}

Semantic roles & 50–950 ramp

primary

#1E309D

secondary

#C2B354

accent

#D23DEB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1E309D

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

Preview Lab → · Contrast checker → · Palette generator →