#1E379B#1E379B

#1E379B is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.8% C 0.165 H 267.1°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#1E379B
RGB	rgb(30, 55, 155)
HSL	hsl(228, 68%, 36%)
HSV	hsv(228, 81%, 61%)
CMYK	cmyk(80.6%, 64.5%, 0%, 39.2%)
CIE-LAB	lab(27.77, 28.74, -56.98)
CIE-LCH	lch(27.77, 63.82, 296.77°)
OKLab	oklab(38.85% -0.0085 -0.1649)
OKLCH	oklch(38.85% 0.165 267.1)
XYZ	xyz(7.8159, 5.3740, 31.6294)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E379B #9B821E

analogous

#1E769B #1E379B #441E9B

triadic

#1E379B #9B1E37 #379B1E

tetradic

#1E379B #9B1E76 #9B821E #1E9B44

square

#1E379B #9B1E76 #9B821E #1E9B44

split-complementary

#1E379B #9B441E #769B1E

monochromatic

#0A1334 #142568 #1E379B #2849CE #5571DE

Accessibility & contrast

On white

10.12

#1E379B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#1E379B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E379B

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E379B	#FFFFFF	#000000	##FFFFFF
##1E379B	1.00	10.12	2.08	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489E

Deuteranopia (green-blind)

#003C99

Tritanopia (blue-blind)

#005163

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1e379b;
/* rgb */ color: rgb(30, 55, 155);
/* oklch */ color: oklch(38.8% 0.165 267.1);

Tailwind

colors: {
  custom: {
    50: '#706db9',
    500: '#1e379b',
    950: '#000000',
  },
}

SCSS

$custom: #1e379b;
$custom-light: #706db9;
$custom-dark: #000000;

JSON

{
  "hex": "#1e379b",
  "rgb": {
    "r": 30,
    "g": 55,
    "b": 155
  },
  "hsl": {
    "h": 228,
    "s": 67.568,
    "l": 36.275
  },
  "oklch": {
    "l": 0.38849,
    "c": 0.16512,
    "h": 267.1
  },
  "luminance": 0.05375
}

Semantic roles & 50–950 ramp

primary

#1E379B

secondary

#C2AB53

accent

#C83DEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1E379B

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

Preview Lab → · Contrast checker → · Palette generator →