#1C158F#1C158F

#1C158F is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.2% C 0.185 H 271.5°. Best body text is #FFFFFF at 13.52:1 contrast (WCAG AA passes).

Color values

HEX	#1C158F
RGB	rgb(28, 21, 143)
HSL	hsl(243, 74%, 32%)
HSV	hsv(243, 85%, 56%)
CMYK	cmyk(80.4%, 85.3%, 0%, 43.9%)
CIE-LAB	lab(19.08, 44.54, -63.94)
CIE-LCH	lch(19.08, 77.92, 304.86°)
OKLab	oklab(32.21% 0.0049 -0.185)
OKLCH	oklch(32.21% 0.185 271.5)
XYZ	xyz(5.7033, 2.7657, 26.2145)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C158F #888F15

analogous

#154B8F #1C158F #59158F

triadic

#1C158F #8F1C15 #158F1C

tetradic

#1C158F #8F154B #888F15 #158F59

square

#1C158F #8F154B #888F15 #158F59

split-complementary

#1C158F #8F5915 #4B8F15

monochromatic

#070524 #120D5A #1C158F #261DC4 #463CE2

Accessibility & contrast

On white

13.52

#1C158F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1C158F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C158F

13.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C158F	#FFFFFF	#000000	##FFFFFF
##1C158F	1.00	13.52	1.55	13.52
#FFFFFF	13.52	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003492

Deuteranopia (green-blind)

#00288D

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1c158f;
/* rgb */ color: rgb(28, 21, 143);
/* oklch */ color: oklch(32.2% 0.185 271.5);

Tailwind

colors: {
  custom: {
    50: '#7057b1',
    500: '#1c158f',
    950: '#000000',
  },
}

SCSS

$custom: #1c158f;
$custom-light: #7057b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c158f",
  "rgb": {
    "r": 28,
    "g": 21,
    "b": 143
  },
  "hsl": {
    "h": 243.443,
    "s": 74.39,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32212,
    "c": 0.18505,
    "h": 271.5
  },
  "luminance": 0.02766
}

Semantic roles & 50–950 ramp

primary

#1C158F

secondary

#BAC23E

accent

#F137E6

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1C158F

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

Preview Lab → · Contrast checker → · Palette generator →