#1D63C1#1D63C1

#1D63C1 is a mid, vivid cyan. Relative luminance 0.130; OKLCH L 51.1% C 0.162 H 257.6°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#1D63C1
RGB	rgb(29, 99, 193)
HSL	hsl(214, 74%, 44%)
HSV	hsv(214, 85%, 76%)
CMYK	cmyk(85%, 48.7%, 0%, 24.3%)
CIE-LAB	lab(42.81, 14.21, -55.12)
CIE-LCH	lch(42.81, 56.92, 284.46°)
OKLab	oklab(51.13% -0.0349 -0.1586)
OKLCH	oklch(51.13% 0.162 257.6)
XYZ	xyz(14.5906, 13.0333, 52.1884)
Luminance	0.1303 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D63C1 #C17B1D

analogous

#1DB5C1 #1D63C1 #291DC1

triadic

#1D63C1 #C11D63 #63C11D

tetradic

#1D63C1 #C11DB5 #C17B1D #1DC129

square

#1D63C1 #C11DB5 #C17B1D #1DC129

split-complementary

#1D63C1 #C1291D #B5C11D

monochromatic

#0D2C57 #15488C #1D63C1 #3A81E1 #6FA3E9

Accessibility & contrast

On white

5.82

#1D63C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#1D63C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D63C1

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D63C1	#FFFFFF	#000000	##FFFFFF
##1D63C1	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B6DC4

Deuteranopia (green-blind)

#005EBF

Tritanopia (blue-blind)

#007A89

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #1d63c1;
/* rgb */ color: rgb(29, 99, 193);
/* oklch */ color: oklch(51.1% 0.162 257.6);

Tailwind

colors: {
  custom: {
    50: '#778ed4',
    500: '#1d63c1',
    950: '#000000',
  },
}

SCSS

$custom: #1d63c1;
$custom-light: #778ed4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d63c1",
  "rgb": {
    "r": 29,
    "g": 99,
    "b": 193
  },
  "hsl": {
    "h": 214.39,
    "s": 73.874,
    "l": 43.529
  },
  "oklch": {
    "l": 0.51132,
    "c": 0.16243,
    "h": 257.6
  },
  "luminance": 0.13035
}

Semantic roles & 50–950 ramp

primary

#1D63C1

secondary

#D0A46A

accent

#A137F1

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0A0C14

muted

#7C7D83

Preview Lab

Preview with #1D63C1

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

Preview Lab → · Contrast checker → · Palette generator →