#618CDB#618CDB

#618CDB is a light, vivid blue. Relative luminance 0.264; OKLCH L 64.4% C 0.128 H 261.8°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#618CDB
RGB	rgb(97, 140, 219)
HSL	hsl(219, 63%, 62%)
HSV	hsv(219, 56%, 86%)
CMYK	cmyk(55.7%, 36.1%, 0%, 14.1%)
CIE-LAB	lab(58.42, 8.25, -44.85)
CIE-LCH	lch(58.42, 45.60, 280.43°)
OKLab	oklab(64.41% -0.0184 -0.1269)
OKLCH	oklch(64.41% 0.128 261.8)
XYZ	xyz(27.0897, 26.4099, 70.6742)
Luminance	0.2641 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618CDB #DBB061

analogous

#61C9DB #618CDB #7361DB

triadic

#618CDB #DB618C #8CDB61

tetradic

#618CDB #DB61C9 #DBB061 #61DB73

square

#618CDB #DB61C9 #DBB061 #61DB73

split-complementary

#618CDB #DB7361 #C9DB61

monochromatic

#244F9E #2F68D0 #618CDB #93B0E6 #C5D5F2

Accessibility & contrast

On white

3.34

#618CDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#618CDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618CDB

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618CDB	#FFFFFF	#000000	##000000
##618CDB	1.00	3.34	6.28	6.28
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C93DE

Deuteranopia (green-blind)

#5C87D9

Tritanopia (blue-blind)

#0B9DA9

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #618cdb;
/* rgb */ color: rgb(97, 140, 219);
/* oklch */ color: oklch(64.4% 0.128 261.8);

Tailwind

colors: {
  custom: {
    50: '#96ade6',
    500: '#618cdb',
    950: '#000000',
  },
}

SCSS

$custom: #618cdb;
$custom-light: #96ade6;
$custom-dark: #000000;

JSON

{
  "hex": "#618cdb",
  "rgb": {
    "r": 97,
    "g": 140,
    "b": 219
  },
  "hsl": {
    "h": 218.852,
    "s": 62.887,
    "l": 61.961
  },
  "oklch": {
    "l": 0.64411,
    "c": 0.1282,
    "h": 261.8
  },
  "luminance": 0.26412
}

Semantic roles & 50–950 ramp

primary

#618CDB

secondary

#E2D3B5

accent

#8D1BCB

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #618CDB

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

Preview Lab → · Contrast checker → · Palette generator →