#1C1963#1C1963

#1C1963 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.6% C 0.125 H 276.1°. Best body text is #FFFFFF at 15.34:1 contrast (WCAG AA passes).

Color values

HEX	#1C1963
RGB	rgb(28, 25, 99)
HSL	hsl(242, 60%, 24%)
HSV	hsv(242, 75%, 39%)
CMYK	cmyk(71.7%, 74.7%, 0%, 61.2%)
CIE-LAB	lab(14.64, 27.31, -43.05)
CIE-LCH	lch(14.64, 50.98, 302.39°)
OKLab	oklab(27.57% 0.0134 -0.1244)
OKLCH	oklch(27.57% 0.125 276.1)
XYZ	xyz(3.0779, 1.8427, 11.9954)
Luminance	0.0184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1963 #606319

analogous

#193B63 #1C1963 #411963

triadic

#1C1963 #631C19 #19631C

tetradic

#1C1963 #63193B #606319 #196341

square

#1C1963 #63193B #606319 #196341

split-complementary

#1C1963 #634119 #3B6319

monochromatic

#070618 #0E0D32 #1C1963 #2A2594 #3832C5

Accessibility & contrast

On white

15.34

#1C1963 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#1C1963 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1963

15.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1963	#FFFFFF	#000000	##FFFFFF
##1C1963	1.00	15.34	1.37	15.34
#FFFFFF	15.34	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002865

Deuteranopia (green-blind)

#002262

Tritanopia (blue-blind)

#002D3C

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1c1963;
/* rgb */ color: rgb(28, 25, 99);
/* oklch */ color: oklch(27.6% 0.125 276.1);

Tailwind

colors: {
  custom: {
    50: '#645690',
    500: '#1c1963',
    950: '#000000',
  },
}

SCSS

$custom: #1c1963;
$custom-light: #645690;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1963",
  "rgb": {
    "r": 28,
    "g": 25,
    "b": 99
  },
  "hsl": {
    "h": 242.432,
    "s": 59.677,
    "l": 24.314
  },
  "oklch": {
    "l": 0.27569,
    "c": 0.12508,
    "h": 276.1
  },
  "luminance": 0.01843
}

Semantic roles & 50–950 ramp

primary

#1C1963

secondary

#95993F

accent

#E345DC

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030D

muted

#7A787D

Preview Lab

Preview with #1C1963

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

Preview Lab → · Contrast checker → · Palette generator →