#618BCB#618BCB

#618BCB is a light, moderate blue. Relative luminance 0.253; OKLCH L 63.3% C 0.108 H 258.6°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#618BCB
RGB	rgb(97, 139, 203)
HSL	hsl(216, 50%, 59%)
HSV	hsv(216, 52%, 80%)
CMYK	cmyk(52.2%, 31.5%, 0%, 20.4%)
CIE-LAB	lab(57.38, 3.79, -37.50)
CIE-LCH	lch(57.38, 37.69, 275.77°)
OKLab	oklab(63.35% -0.0213 -0.1055)
OKLCH	oklch(63.35% 0.108 258.6)
XYZ	xyz(24.9382, 25.3166, 60.0608)
Luminance	0.2532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618BCB #CBA161

analogous

#61C0CB #618BCB #6C61CB

triadic

#618BCB #CB618B #8BCB61

tetradic

#618BCB #CB61C0 #CBA161 #61CB6C

square

#618BCB #CB61C0 #CBA161 #61CB6C

split-complementary

#618BCB #CB6C61 #C0CB61

monochromatic

#2C4F86 #3B6BB4 #618BCB #8FADDA #BDCFE9

Accessibility & contrast

On white

3.46

#618BCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#618BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618BCB

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618BCB	#FFFFFF	#000000	##000000
##618BCB	1.00	3.46	6.06	6.06
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#728FCE

Deuteranopia (green-blind)

#6585CA

Tritanopia (blue-blind)

#2A99A2

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #618bcb;
/* rgb */ color: rgb(97, 139, 203);
/* oklch */ color: oklch(63.3% 0.108 258.6);

Tailwind

colors: {
  custom: {
    50: '#94acdb',
    500: '#618bcb',
    950: '#000000',
  },
}

SCSS

$custom: #618bcb;
$custom-light: #94acdb;
$custom-dark: #000000;

JSON

{
  "hex": "#618bcb",
  "rgb": {
    "r": 97,
    "g": 139,
    "b": 203
  },
  "hsl": {
    "h": 216.226,
    "s": 50.476,
    "l": 58.824
  },
  "oklch": {
    "l": 0.6335,
    "c": 0.10764,
    "h": 258.6
  },
  "luminance": 0.25318
}

Semantic roles & 50–950 ramp

primary

#618BCB

secondary

#D9C8AF

accent

#A24EDA

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #618BCB

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

Preview Lab → · Contrast checker → · Palette generator →