#618CA4#618CA4

#618CA4 is a mid, muted cyan. Relative luminance 0.240; OKLCH L 61.8% C 0.060 H 233.5°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#618CA4
RGB	rgb(97, 140, 164)
HSL	hsl(201, 27%, 51%)
HSV	hsv(201, 41%, 64%)
CMYK	cmyk(40.9%, 14.6%, 0%, 35.7%)
CIE-LAB	lab(56.06, -8.32, -17.34)
CIE-LCH	lch(56.06, 19.24, 244.37°)
OKLab	oklab(61.78% -0.0354 -0.0478)
OKLCH	oklch(61.78% 0.06 233.5)
XYZ	xyz(21.0064, 23.9766, 38.6358)
Luminance	0.2398 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618CA4 #A47961

analogous

#61A49A #618CA4 #616AA4

triadic

#618CA4 #A4618C #8CA461

tetradic

#618CA4 #9A61A4 #A47961 #6AA461

square

#618CA4 #9A61A4 #A47961 #6AA461

split-complementary

#618CA4 #A4616A #A49A61

monochromatic

#334B58 #496C7F #618CA4 #88A8BA #AFC5D1

Accessibility & contrast

On white

3.62

#618CA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#618CA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618CA4

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618CA4	#FFFFFF	#000000	##000000
##618CA4	1.00	3.62	5.80	5.80
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.80	21.00	1.00	1.00
##000000	5.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818BA5

Deuteranopia (green-blind)

#7783A4

Tritanopia (blue-blind)

#479294

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #618ca4;
/* rgb */ color: rgb(97, 140, 164);
/* oklch */ color: oklch(61.8% 0.060 233.5);

Tailwind

colors: {
  custom: {
    50: '#91adbf',
    500: '#618ca4',
    950: '#000000',
  },
}

SCSS

$custom: #618ca4;
$custom-light: #91adbf;
$custom-dark: #000000;

JSON

{
  "hex": "#618ca4",
  "rgb": {
    "r": 97,
    "g": 140,
    "b": 164
  },
  "hsl": {
    "h": 201.493,
    "s": 26.908,
    "l": 51.176
  },
  "oklch": {
    "l": 0.61784,
    "c": 0.05953,
    "h": 233.5
  },
  "luminance": 0.23978
}

Semantic roles & 50–950 ramp

primary

#618CA4

secondary

#BFACA2

accent

#8665C3

background

#F9FAFB

surface

#F1F4F7

border

#CBCED0

text

#0D1012

muted

#7E7F81

Preview Lab

Preview with #618CA4

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

Preview Lab → · Contrast checker → · Palette generator →