#1E178E#1E178E

#1E178E is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.4% C 0.182 H 272.3°. Best body text is #FFFFFF at 13.39:1 contrast (WCAG AA passes).

Color values

HEX	#1E178E
RGB	rgb(30, 23, 142)
HSL	hsl(244, 72%, 32%)
HSV	hsv(244, 84%, 56%)
CMYK	cmyk(78.9%, 83.8%, 0%, 44.3%)
CIE-LAB	lab(19.40, 43.40, -62.78)
CIE-LCH	lch(19.40, 76.33, 304.65°)
OKLab	oklab(32.43% 0.0072 -0.1817)
OKLCH	oklch(32.43% 0.182 272.3)
XYZ	xyz(5.7227, 2.8412, 25.8327)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E178E #878E17

analogous

#174C8E #1E178E #59178E

triadic

#1E178E #8E1E17 #178E1E

tetradic

#1E178E #8E174C #878E17 #178E59

square

#1E178E #8E174C #878E17 #178E59

split-complementary

#1E178E #8E5917 #4C8E17

monochromatic

#080625 #130E59 #1E178E #2920C3 #493FE0

Accessibility & contrast

On white

13.39

#1E178E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1E178E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E178E

13.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E178E	#FFFFFF	#000000	##FFFFFF
##1E178E	1.00	13.39	1.57	13.39
#FFFFFF	13.39	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003591

Deuteranopia (green-blind)

#00298C

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1e178e;
/* rgb */ color: rgb(30, 23, 142);
/* oklch */ color: oklch(32.4% 0.182 272.3);

Tailwind

colors: {
  custom: {
    50: '#7058b0',
    500: '#1e178e',
    950: '#000000',
  },
}

SCSS

$custom: #1e178e;
$custom-light: #7058b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1e178e",
  "rgb": {
    "r": 30,
    "g": 23,
    "b": 142
  },
  "hsl": {
    "h": 243.529,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.32427,
    "c": 0.1818,
    "h": 272.3
  },
  "luminance": 0.02842
}

Semantic roles & 50–950 ramp

primary

#1E178E

secondary

#B9C040

accent

#EF39E4

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1E178E

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

Preview Lab → · Contrast checker → · Palette generator →