#1C159E#1C159E

#1C159E is a dark, highly saturated blue. Relative luminance 0.033; OKLCH L 34.1% C 0.202 H 270.3°. Best body text is #FFFFFF at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#1C159E
RGB	rgb(28, 21, 158)
HSL	hsl(243, 77%, 35%)
HSV	hsv(243, 87%, 62%)
CMYK	cmyk(82.3%, 86.7%, 0%, 38%)
CIE-LAB	lab(21.02, 49.17, -69.97)
CIE-LCH	lch(21.02, 85.52, 305.09°)
OKLab	oklab(34.1% 0.0011 -0.2024)
OKLCH	oklch(34.1% 0.202 270.3)
XYZ	xyz(6.9165, 3.2510, 32.6041)
Luminance	0.0325 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C159E #979E15

analogous

#15529E #1C159E #61159E

triadic

#1C159E #9E1C15 #159E1C

tetradic

#1C159E #9E1552 #979E15 #159E61

square

#1C159E #9E1552 #979E15 #159E61

split-complementary

#1C159E #9E6115 #529E15

monochromatic

#090732 #120E68 #1C159E #261CD4 #4F47E7

Accessibility & contrast

On white

12.72

#1C159E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1C159E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C159E

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C159E	#FFFFFF	#000000	##FFFFFF
##1C159E	1.00	12.72	1.65	12.72
#FFFFFF	12.72	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0039A2

Deuteranopia (green-blind)

#002B9C

Tritanopia (blue-blind)

#00435D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1c159e;
/* rgb */ color: rgb(28, 21, 158);
/* oklch */ color: oklch(34.1% 0.202 270.3);

Tailwind

colors: {
  custom: {
    50: '#7458bc',
    500: '#1c159e',
    950: '#000000',
  },
}

SCSS

$custom: #1c159e;
$custom-light: #7458bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1c159e",
  "rgb": {
    "r": 28,
    "g": 21,
    "b": 158
  },
  "hsl": {
    "h": 243.066,
    "s": 76.536,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34099,
    "c": 0.20244,
    "h": 270.3
  },
  "luminance": 0.03252
}

Semantic roles & 50–950 ramp

primary

#1C159E

secondary

#C1C747

accent

#F335E9

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1C159E

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

Preview Lab → · Contrast checker → · Palette generator →