#63B7E7#63B7E7

#63B7E7 is a light, moderate cyan. Relative luminance 0.423; OKLCH L 74.5% C 0.107 H 235.7°. Best body text is #000000 at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#63B7E7
RGB	rgb(99, 183, 231)
HSL	hsl(202, 73%, 65%)
HSV	hsv(202, 57%, 91%)
CMYK	cmyk(57.1%, 20.8%, 0%, 9.4%)
CIE-LAB	lab(71.07, -11.87, -31.72)
CIE-LCH	lch(71.07, 33.86, 249.48°)
OKLab	oklab(74.54% -0.0604 -0.0886)
OKLCH	oklch(74.54% 0.107 235.7)
XYZ	xyz(36.4975, 42.2858, 81.8244)
Luminance	0.4229 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B7E7 #E79363

analogous

#63E7D5 #63B7E7 #6375E7

triadic

#63B7E7 #E763B7 #B7E763

tetradic

#63B7E7 #D563E7 #E79363 #75E763

square

#63B7E7 #D563E7 #E79363 #75E763

split-complementary

#63B7E7 #E76375 #E7D563

monochromatic

#1C7DB4 #2E9FDF #63B7E7 #98CFEF #CDE8F7

Accessibility & contrast

On white

2.22

#63B7E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.46

#63B7E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B7E7

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B7E7	#FFFFFF	#000000	##000000
##63B7E7	1.00	2.22	9.46	9.46
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.46	21.00	1.00	1.00
##000000	9.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0B6E9

Deuteranopia (green-blind)

#8EA8E6

Tritanopia (blue-blind)

#00C4C7

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #63b7e7;
/* rgb */ color: rgb(99, 183, 231);
/* oklch */ color: oklch(74.5% 0.107 235.7);

Tailwind

colors: {
  custom: {
    50: '#99ccee',
    500: '#63b7e7',
    950: '#000000',
  },
}

SCSS

$custom: #63b7e7;
$custom-light: #99ccee;
$custom-dark: #000000;

JSON

{
  "hex": "#63b7e7",
  "rgb": {
    "r": 99,
    "g": 183,
    "b": 231
  },
  "hsl": {
    "h": 201.818,
    "s": 73.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.74543,
    "c": 0.10722,
    "h": 235.7
  },
  "luminance": 0.42289
}

Semantic roles & 50–950 ramp

primary

#63B7E7

secondary

#EACDBC

accent

#5810D5

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #63B7E7

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

Preview Lab → · Contrast checker → · Palette generator →