#1E178D#1E178D

#1E178D is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.3% C 0.181 H 272.4°. Best body text is #FFFFFF at 13.44:1 contrast (WCAG AA passes).

Color values

HEX	#1E178D
RGB	rgb(30, 23, 141)
HSL	hsl(244, 72%, 32%)
HSV	hsv(244, 84%, 55%)
CMYK	cmyk(78.7%, 83.7%, 0%, 44.7%)
CIE-LAB	lab(19.27, 43.08, -62.37)
CIE-LCH	lch(19.27, 75.80, 304.63°)
OKLab	oklab(32.31% 0.0074 -0.1804)
OKLCH	oklch(32.31% 0.181 272.4)
XYZ	xyz(5.6479, 2.8113, 25.4391)
Luminance	0.0281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E178D #868D17

analogous

#174B8D #1E178D #59178D

triadic

#1E178D #8D1E17 #178D1E

tetradic

#1E178D #8D174B #868D17 #178D59

square

#1E178D #8D174B #868D17 #178D59

split-complementary

#1E178D #8D5917 #4B8D17

monochromatic

#080624 #130E58 #1E178D #2920C2 #483FE0

Accessibility & contrast

On white

13.44

#1E178D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1E178D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E178D

13.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E178D	#FFFFFF	#000000	##FFFFFF
##1E178D	1.00	13.44	1.56	13.44
#FFFFFF	13.44	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003490

Deuteranopia (green-blind)

#00298B

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1e178d;
/* rgb */ color: rgb(30, 23, 141);
/* oklch */ color: oklch(32.3% 0.181 272.4);

Tailwind

colors: {
  custom: {
    50: '#6f58b0',
    500: '#1e178d',
    950: '#000000',
  },
}

SCSS

$custom: #1e178d;
$custom-light: #6f58b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1e178d",
  "rgb": {
    "r": 30,
    "g": 23,
    "b": 141
  },
  "hsl": {
    "h": 243.559,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32305,
    "c": 0.1806,
    "h": 272.4
  },
  "luminance": 0.02812
}

Semantic roles & 50–950 ramp

primary

#1E178D

secondary

#B8C040

accent

#EF39E4

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1E178D

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

Preview Lab → · Contrast checker → · Palette generator →