#618CCC#618CCC

#618CCC is a light, moderate blue. Relative luminance 0.257; OKLCH L 63.6% C 0.108 H 258.1°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#618CCC
RGB	rgb(97, 140, 204)
HSL	hsl(216, 51%, 59%)
HSV	hsv(216, 52%, 80%)
CMYK	cmyk(52.5%, 31.4%, 0%, 20%)
CIE-LAB	lab(57.71, 3.52, -37.56)
CIE-LCH	lch(57.71, 37.72, 275.35°)
OKLab	oklab(63.62% -0.0222 -0.1057)
OKLCH	oklch(63.62% 0.108 258.1)
XYZ	xyz(25.2032, 25.6553, 60.7389)
Luminance	0.2566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618CCC #CCA161

analogous

#61C2CC #618CCC #6C61CC

triadic

#618CCC #CC618C #8CCC61

tetradic

#618CCC #CC61C2 #CCA161 #61CC6C

square

#618CCC #CC61C2 #CCA161 #61CC6C

split-complementary

#618CCC #CC6C61 #C2CC61

monochromatic

#2C5087 #3B6CB5 #618CCC #8FAEDB #BECFEA

Accessibility & contrast

On white

3.42

#618CCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#618CCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618CCC

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618CCC	#FFFFFF	#000000	##000000
##618CCC	1.00	3.42	6.13	6.13
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7390CF

Deuteranopia (green-blind)

#6686CB

Tritanopia (blue-blind)

#299AA3

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #618ccc;
/* rgb */ color: rgb(97, 140, 204);
/* oklch */ color: oklch(63.6% 0.108 258.1);

Tailwind

colors: {
  custom: {
    50: '#94addc',
    500: '#618ccc',
    950: '#000000',
  },
}

SCSS

$custom: #618ccc;
$custom-light: #94addc;
$custom-dark: #000000;

JSON

{
  "hex": "#618ccc",
  "rgb": {
    "r": 97,
    "g": 140,
    "b": 204
  },
  "hsl": {
    "h": 215.888,
    "s": 51.196,
    "l": 59.02
  },
  "oklch": {
    "l": 0.63619,
    "c": 0.10797,
    "h": 258.1
  },
  "luminance": 0.25657
}

Semantic roles & 50–950 ramp

primary

#618CCC

secondary

#D9C9AF

accent

#A24DDB

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #618CCC

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

Preview Lab → · Contrast checker → · Palette generator →