#618CCB#618CCB

#618CCB is a light, moderate blue. Relative luminance 0.256; OKLCH L 63.6% C 0.107 H 257.8°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#618CCB
RGB	rgb(97, 140, 203)
HSL	hsl(216, 50%, 59%)
HSV	hsv(216, 52%, 80%)
CMYK	cmyk(52.2%, 31%, 0%, 20.4%)
CIE-LAB	lab(57.66, 3.21, -37.06)
CIE-LCH	lch(57.66, 37.20, 274.94°)
OKLab	oklab(63.57% -0.0225 -0.1042)
OKLCH	oklch(63.57% 0.107 257.8)
XYZ	xyz(25.0837, 25.6075, 60.1093)
Luminance	0.2561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618CCB #CBA061

analogous

#61C1CB #618CCB #6B61CB

triadic

#618CCB #CB618C #8CCB61

tetradic

#618CCB #CB61C1 #CBA061 #61CB6B

square

#618CCB #CB61C1 #CBA061 #61CB6B

split-complementary

#618CCB #CB6B61 #C1CB61

monochromatic

#2C5086 #3B6CB4 #618CCB #8FAEDA #BDCFE9

Accessibility & contrast

On white

3.43

#618CCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#618CCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618CCB

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618CCB	#FFFFFF	#000000	##000000
##618CCB	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7390CE

Deuteranopia (green-blind)

#6686CA

Tritanopia (blue-blind)

#2A9AA2

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #618ccb;
/* rgb */ color: rgb(97, 140, 203);
/* oklch */ color: oklch(63.6% 0.107 257.8);

Tailwind

colors: {
  custom: {
    50: '#94addb',
    500: '#618ccb',
    950: '#000000',
  },
}

SCSS

$custom: #618ccb;
$custom-light: #94addb;
$custom-dark: #000000;

JSON

{
  "hex": "#618ccb",
  "rgb": {
    "r": 97,
    "g": 140,
    "b": 203
  },
  "hsl": {
    "h": 215.66,
    "s": 50.476,
    "l": 58.824
  },
  "oklch": {
    "l": 0.63569,
    "c": 0.10663,
    "h": 257.8
  },
  "luminance": 0.25609
}

Semantic roles & 50–950 ramp

primary

#618CCB

secondary

#D9C8AF

accent

#A14EDA

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #618CCB

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

Preview Lab → · Contrast checker → · Palette generator →