#1D63A6#1D63A6

#1D63A6 is a mid, vivid cyan. Relative luminance 0.119; OKLCH L 49.3% C 0.127 H 251.5°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#1D63A6
RGB	rgb(29, 99, 166)
HSL	hsl(209, 70%, 38%)
HSV	hsv(209, 83%, 65%)
CMYK	cmyk(82.5%, 40.4%, 0%, 34.9%)
CIE-LAB	lab(41.12, 3.59, -42.03)
CIE-LCH	lch(41.12, 42.18, 274.88°)
OKLab	oklab(49.27% -0.0403 -0.1201)
OKLCH	oklch(49.27% 0.127 251.5)
XYZ	xyz(11.8489, 11.9366, 37.7485)
Luminance	0.1194 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D63A6 #A6601D

analogous

#1DA6A4 #1D63A6 #1D1FA6

triadic

#1D63A6 #A61D63 #63A61D

tetradic

#1D63A6 #A41DA6 #A6601D #1FA61D

square

#1D63A6 #A41DA6 #A6601D #1FA61D

split-complementary

#1D63A6 #A61D1F #A6A41D

monochromatic

#0B253E #144472 #1D63A6 #2782D9 #5BA0E2

Accessibility & contrast

On white

6.20

#1D63A6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#1D63A6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D63A6

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D63A6	#FFFFFF	#000000	##FFFFFF
##1D63A6	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4268A9

Deuteranopia (green-blind)

#2C5BA5

Tritanopia (blue-blind)

#00737C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #1d63a6;
/* rgb */ color: rgb(29, 99, 166);
/* oklch */ color: oklch(49.3% 0.127 251.5);

Tailwind

colors: {
  custom: {
    50: '#708ec1',
    500: '#1d63a6',
    950: '#000000',
  },
}

SCSS

$custom: #1d63a6;
$custom-light: #708ec1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d63a6",
  "rgb": {
    "r": 29,
    "g": 99,
    "b": 166
  },
  "hsl": {
    "h": 209.343,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.49268,
    "c": 0.12672,
    "h": 251.5
  },
  "luminance": 0.11938
}

Semantic roles & 50–950 ramp

primary

#1D63A6

secondary

#C68E59

accent

#923BED

background

#F7F8FB

surface

#EDF0F7

border

#C8CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #1D63A6

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

Preview Lab → · Contrast checker → · Palette generator →