#1C1679#1C1679

#1C1679 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.6% C 0.157 H 273.7°. Best body text is #FFFFFF at 14.58:1 contrast (WCAG AA passes).

Color values

HEX	#1C1679
RGB	rgb(28, 22, 121)
HSL	hsl(244, 69%, 28%)
HSV	hsv(244, 82%, 47%)
CMYK	cmyk(76.9%, 81.8%, 0%, 52.5%)
CIE-LAB	lab(16.51, 36.87, -54.30)
CIE-LCH	lch(16.51, 65.64, 304.18°)
OKLab	oklab(29.64% 0.0102 -0.1571)
OKLCH	oklch(29.64% 0.157 273.7)
XYZ	xyz(4.2158, 2.2007, 18.2881)
Luminance	0.0220 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1679 #737916

analogous

#164279 #1C1679 #4D1679

triadic

#1C1679 #791C16 #16791C

tetradic

#1C1679 #791642 #737916 #16794D

square

#1C1679 #791642 #737916 #16794D

split-complementary

#1C1679 #794D16 #427916

monochromatic

#06051A #100D45 #1C1679 #281FAD #3A30D9

Accessibility & contrast

On white

14.58

#1C1679 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#1C1679 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1679

14.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1679	#FFFFFF	#000000	##FFFFFF
##1C1679	1.00	14.58	1.44	14.58
#FFFFFF	14.58	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7C

Deuteranopia (green-blind)

#002477

Tritanopia (blue-blind)

#003447

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1c1679;
/* rgb */ color: rgb(28, 22, 121);
/* oklch */ color: oklch(29.6% 0.157 273.7);

Tailwind

colors: {
  custom: {
    50: '#6a56a1',
    500: '#1c1679',
    950: '#000000',
  },
}

SCSS

$custom: #1c1679;
$custom-light: #6a56a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1679",
  "rgb": {
    "r": 28,
    "g": 22,
    "b": 121
  },
  "hsl": {
    "h": 243.636,
    "s": 69.231,
    "l": 28.039
  },
  "oklch": {
    "l": 0.29635,
    "c": 0.15742,
    "h": 273.7
  },
  "luminance": 0.02201
}

Semantic roles & 50–950 ramp

primary

#1C1679

secondary

#A7AE3D

accent

#EC3CE1

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1C1679

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

Preview Lab → · Contrast checker → · Palette generator →