#1D63BD#1D63BD

#1D63BD is a mid, vivid cyan. Relative luminance 0.129; OKLCH L 50.8% C 0.157 H 256.9°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#1D63BD
RGB	rgb(29, 99, 189)
HSL	hsl(214, 73%, 43%)
HSV	hsv(214, 85%, 74%)
CMYK	cmyk(84.7%, 47.6%, 0%, 25.9%)
CIE-LAB	lab(42.55, 12.64, -53.22)
CIE-LCH	lch(42.55, 54.70, 283.36°)
OKLab	oklab(50.84% -0.0355 -0.1531)
OKLCH	oklch(50.84% 0.157 256.9)
XYZ	xyz(14.1504, 12.8572, 49.8701)
Luminance	0.1286 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D63BD #BD771D

analogous

#1DB3BD #1D63BD #271DBD

triadic

#1D63BD #BD1D63 #63BD1D

tetradic

#1D63BD #BD1DB3 #BD771D #1DBD27

square

#1D63BD #BD1DB3 #BD771D #1DBD27

split-complementary

#1D63BD #BD271D #B3BD1D

monochromatic

#0D2B53 #154788 #1D63BD #3781E0 #6CA2E8

Accessibility & contrast

On white

5.88

#1D63BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#1D63BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D63BD

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D63BD	#FFFFFF	#000000	##FFFFFF
##1D63BD	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F6CC0

Deuteranopia (green-blind)

#005EBB

Tritanopia (blue-blind)

#007987

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #1d63bd;
/* rgb */ color: rgb(29, 99, 189);
/* oklch */ color: oklch(50.8% 0.157 256.9);

Tailwind

colors: {
  custom: {
    50: '#768ed1',
    500: '#1d63bd',
    950: '#000000',
  },
}

SCSS

$custom: #1d63bd;
$custom-light: #768ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d63bd",
  "rgb": {
    "r": 29,
    "g": 99,
    "b": 189
  },
  "hsl": {
    "h": 213.75,
    "s": 73.394,
    "l": 42.745
  },
  "oklch": {
    "l": 0.50842,
    "c": 0.15714,
    "h": 256.9
  },
  "luminance": 0.12859
}

Semantic roles & 50–950 ramp

primary

#1D63BD

secondary

#CEA167

accent

#9F38F0

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #1D63BD

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

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