#1C1973#1C1973

#1C1973 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.4% C 0.147 H 274.0°. Best body text is #FFFFFF at 14.62:1 contrast (WCAG AA passes).

Color values

HEX	#1C1973
RGB	rgb(28, 25, 115)
HSL	hsl(242, 64%, 27%)
HSV	hsv(242, 78%, 45%)
CMYK	cmyk(75.7%, 78.3%, 0%, 54.9%)
CIE-LAB	lab(16.40, 33.08, -50.61)
CIE-LCH	lch(16.40, 60.46, 303.17°)
OKLab	oklab(29.35% 0.0102 -0.1464)
OKLCH	oklch(29.35% 0.147 274)
XYZ	xyz(3.9200, 2.1796, 16.4304)
Luminance	0.0218 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1973 #707319

analogous

#194373 #1C1973 #491973

triadic

#1C1973 #731C19 #19731C

tetradic

#1C1973 #731943 #707319 #197349

square

#1C1973 #731943 #707319 #197349

split-complementary

#1C1973 #734919 #437319

monochromatic

#060519 #100E41 #1C1973 #2824A5 #3934D3

Accessibility & contrast

On white

14.62

#1C1973 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#1C1973 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1973

14.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1973	#FFFFFF	#000000	##FFFFFF
##1C1973	1.00	14.62	1.44	14.62
#FFFFFF	14.62	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D76

Deuteranopia (green-blind)

#002471

Tritanopia (blue-blind)

#003345

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1c1973;
/* rgb */ color: rgb(28, 25, 115);
/* oklch */ color: oklch(29.4% 0.147 274.0);

Tailwind

colors: {
  custom: {
    50: '#68579c',
    500: '#1c1973',
    950: '#000000',
  },
}

SCSS

$custom: #1c1973;
$custom-light: #68579c;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1973",
  "rgb": {
    "r": 28,
    "g": 25,
    "b": 115
  },
  "hsl": {
    "h": 242,
    "s": 64.286,
    "l": 27.451
  },
  "oklch": {
    "l": 0.29354,
    "c": 0.14676,
    "h": 274
  },
  "luminance": 0.0218
}

Semantic roles & 50–950 ramp

primary

#1C1973

secondary

#A5A840

accent

#E741E2

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1C1973

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

Preview Lab → · Contrast checker → · Palette generator →