#618BCC#618BCC

#618BCC is a light, moderate blue. Relative luminance 0.254; OKLCH L 63.4% C 0.109 H 258.9°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#618BCC
RGB	rgb(97, 139, 204)
HSL	hsl(216, 51%, 59%)
HSV	hsv(216, 52%, 80%)
CMYK	cmyk(52.5%, 31.9%, 0%, 20%)
CIE-LAB	lab(57.43, 4.10, -37.99)
CIE-LCH	lch(57.43, 38.21, 276.16°)
OKLab	oklab(63.4% -0.021 -0.1069)
OKLCH	oklch(63.4% 0.109 258.9)
XYZ	xyz(25.0578, 25.3644, 60.6904)
Luminance	0.2537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618BCC #CCA261

analogous

#61C0CC #618BCC #6D61CC

triadic

#618BCC #CC618B #8BCC61

tetradic

#618BCC #CC61C0 #CCA261 #61CC6D

square

#618BCC #CC61C0 #CCA261 #61CC6D

split-complementary

#618BCC #CC6D61 #C0CC61

monochromatic

#2C4F87 #3B6BB5 #618BCC #8FADDB #BECFEA

Accessibility & contrast

On white

3.46

#618BCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.07

#618BCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618BCC

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618BCC	#FFFFFF	#000000	##000000
##618BCC	1.00	3.46	6.07	6.07
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.07	21.00	1.00	1.00
##000000	6.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#718FCF

Deuteranopia (green-blind)

#6485CB

Tritanopia (blue-blind)

#2999A2

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #618bcc;
/* rgb */ color: rgb(97, 139, 204);
/* oklch */ color: oklch(63.4% 0.109 258.9);

Tailwind

colors: {
  custom: {
    50: '#94acdc',
    500: '#618bcc',
    950: '#000000',
  },
}

SCSS

$custom: #618bcc;
$custom-light: #94acdc;
$custom-dark: #000000;

JSON

{
  "hex": "#618bcc",
  "rgb": {
    "r": 97,
    "g": 139,
    "b": 204
  },
  "hsl": {
    "h": 216.449,
    "s": 51.196,
    "l": 59.02
  },
  "oklch": {
    "l": 0.63401,
    "c": 0.10899,
    "h": 258.9
  },
  "luminance": 0.25366
}

Semantic roles & 50–950 ramp

primary

#618BCC

secondary

#D9C9AF

accent

#A34DDB

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #618BCC

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

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