#1C1D63#1C1D63

#1C1D63 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.3% C 0.120 H 274.9°. Best body text is #FFFFFF at 14.94:1 contrast (WCAG AA passes).

Color values

HEX	#1C1D63
RGB	rgb(28, 29, 99)
HSL	hsl(239, 56%, 25%)
HSV	hsv(239, 72%, 39%)
CMYK	cmyk(71.7%, 70.7%, 0%, 61.2%)
CIE-LAB	lab(15.62, 24.63, -41.43)
CIE-LCH	lch(15.62, 48.20, 300.73°)
OKLab	oklab(28.28% 0.0103 -0.1196)
OKLCH	oklch(28.28% 0.12 274.9)
XYZ	xyz(3.1696, 2.0262, 12.0260)
Luminance	0.0203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1D63 #63621C

analogous

#1C4163 #1C1D63 #3F1C63

triadic

#1C1D63 #631C1D #1D631C

tetradic

#1C1D63 #631C41 #63621C #1C633F

square

#1C1D63 #631C41 #63621C #1C633F

split-complementary

#1C1D63 #633F1C #41631C

monochromatic

#070718 #0F0F33 #1C1D63 #292B93 #3739C2

Accessibility & contrast

On white

14.94

#1C1D63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#1C1D63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1D63

14.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1D63	#FFFFFF	#000000	##FFFFFF
##1C1D63	1.00	14.94	1.41	14.94
#FFFFFF	14.94	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A65

Deuteranopia (green-blind)

#002462

Tritanopia (blue-blind)

#002F3D

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1c1d63;
/* rgb */ color: rgb(28, 29, 99);
/* oklch */ color: oklch(28.3% 0.120 274.9);

Tailwind

colors: {
  custom: {
    50: '#635990',
    500: '#1c1d63',
    950: '#000000',
  },
}

SCSS

$custom: #1c1d63;
$custom-light: #635990;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1d63",
  "rgb": {
    "r": 28,
    "g": 29,
    "b": 99
  },
  "hsl": {
    "h": 239.155,
    "s": 55.906,
    "l": 24.902
  },
  "oklch": {
    "l": 0.2828,
    "c": 0.12007,
    "h": 274.9
  },
  "luminance": 0.02026
}

Semantic roles & 50–950 ramp

primary

#1C1D63

secondary

#989743

accent

#DD49DF

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030D

muted

#7A787D

Preview Lab

Preview with #1C1D63

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

Preview Lab → · Contrast checker → · Palette generator →