#1C63A9#1C63A9

#1C63A9 is a mid, vivid cyan. Relative luminance 0.120; OKLCH L 49.4% C 0.131 H 252.2°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#1C63A9
RGB	rgb(28, 99, 169)
HSL	hsl(210, 72%, 39%)
HSV	hsv(210, 83%, 66%)
CMYK	cmyk(83.4%, 41.4%, 0%, 33.7%)
CIE-LAB	lab(41.27, 4.67, -43.55)
CIE-LCH	lch(41.27, 43.80, 276.12°)
OKLab	oklab(49.44% -0.04 -0.1246)
OKLCH	oklch(49.44% 0.131 252.2)
XYZ	xyz(12.0994, 12.0336, 39.2134)
Luminance	0.1203 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C63A9 #A9621C

analogous

#1CA9A8 #1C63A9 #1C1CA9

triadic

#1C63A9 #A91C63 #63A91C

tetradic

#1C63A9 #A81CA9 #A9621C #1CA91C

square

#1C63A9 #A81CA9 #A9621C #1CA91C

split-complementary

#1C63A9 #A91C1C #A9A81C

monochromatic

#0B2540 #134474 #1C63A9 #2782DB #5BA0E4

Accessibility & contrast

On white

6.16

#1C63A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#1C63A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C63A9

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C63A9	#FFFFFF	#000000	##FFFFFF
##1C63A9	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4068AC

Deuteranopia (green-blind)

#285CA8

Tritanopia (blue-blind)

#00747E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #1c63a9;
/* rgb */ color: rgb(28, 99, 169);
/* oklch */ color: oklch(49.4% 0.131 252.2);

Tailwind

colors: {
  custom: {
    50: '#718ec3',
    500: '#1c63a9',
    950: '#000000',
  },
}

SCSS

$custom: #1c63a9;
$custom-light: #718ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c63a9",
  "rgb": {
    "r": 28,
    "g": 99,
    "b": 169
  },
  "hsl": {
    "h": 209.787,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.4944,
    "c": 0.13092,
    "h": 252.2
  },
  "luminance": 0.12035
}

Semantic roles & 50–950 ramp

primary

#1C63A9

secondary

#C89059

accent

#9339EE

background

#F7F8FC

surface

#EDF0F8

border

#C8CBD1

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #1C63A9

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

Preview Lab → · Contrast checker → · Palette generator →