#1C157C#1C157C

#1C157C is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.9% C 0.162 H 273.5°. Best body text is #FFFFFF at 14.51:1 contrast (WCAG AA passes).

Color values

HEX	#1C157C
RGB	rgb(28, 21, 124)
HSL	hsl(244, 71%, 28%)
HSV	hsv(244, 83%, 49%)
CMYK	cmyk(77.4%, 83.1%, 0%, 51.4%)
CIE-LAB	lab(16.69, 38.41, -55.92)
CIE-LCH	lch(16.69, 67.84, 304.48°)
OKLab	oklab(29.87% 0.0098 -0.1618)
OKLCH	oklch(29.87% 0.162 273.5)
XYZ	xyz(4.3839, 2.2380, 19.2658)
Luminance	0.0224 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C157C #757C15

analogous

#15417C #1C157C #4F157C

triadic

#1C157C #7C1C15 #157C1C

tetradic

#1C157C #7C1541 #757C15 #157C4F

square

#1C157C #7C1541 #757C15 #157C4F

split-complementary

#1C157C #7C4F15 #417C15

monochromatic

#06041A #100C48 #1C157C #281EB0 #3B30DC

Accessibility & contrast

On white

14.51

#1C157C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#1C157C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C157C

14.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C157C	#FFFFFF	#000000	##FFFFFF
##1C157C	1.00	14.51	1.45	14.51
#FFFFFF	14.51	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7F

Deuteranopia (green-blind)

#00247A

Tritanopia (blue-blind)

#003549

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1c157c;
/* rgb */ color: rgb(28, 21, 124);
/* oklch */ color: oklch(29.9% 0.162 273.5);

Tailwind

colors: {
  custom: {
    50: '#6b55a3',
    500: '#1c157c',
    950: '#000000',
  },
}

SCSS

$custom: #1c157c;
$custom-light: #6b55a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c157c",
  "rgb": {
    "r": 28,
    "g": 21,
    "b": 124
  },
  "hsl": {
    "h": 244.078,
    "s": 71.034,
    "l": 28.431
  },
  "oklch": {
    "l": 0.29869,
    "c": 0.16207,
    "h": 273.5
  },
  "luminance": 0.02238
}

Semantic roles & 50–950 ramp

primary

#1C157C

secondary

#A9B13C

accent

#EE3AE2

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1C157C

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

Preview Lab → · Contrast checker → · Palette generator →