#6183CC#6183CC

#6183CC is a mid, moderate blue. Relative luminance 0.231; OKLCH L 61.7% C 0.118 H 264.3°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#6183CC
RGB	rgb(97, 131, 204)
HSL	hsl(221, 51%, 59%)
HSV	hsv(221, 52%, 80%)
CMYK	cmyk(52.5%, 35.8%, 0%, 20%)
CIE-LAB	lab(55.21, 8.84, -41.49)
CIE-LCH	lch(55.21, 42.42, 282.03°)
OKLab	oklab(61.67% -0.0117 -0.1171)
OKLCH	oklch(61.67% 0.118 264.3)
XYZ	xyz(23.9415, 23.1319, 60.3183)
Luminance	0.2313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6183CC #CCAA61

analogous

#61B8CC #6183CC #7561CC

triadic

#6183CC #CC6183 #83CC61

tetradic

#6183CC #CC61B8 #CCAA61 #61CC75

square

#6183CC #CC61B8 #CCAA61 #61CC75

split-complementary

#6183CC #CC7561 #B8CC61

monochromatic

#2C4987 #3B62B5 #6183CC #8FA7DB #BECCEA

Accessibility & contrast

On white

3.73

#6183CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.63

#6183CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6183CC

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6183CC	#FFFFFF	#000000	##000000
##6183CC	1.00	3.73	5.63	5.63
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.63	21.00	1.00	1.00
##000000	5.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6689CF

Deuteranopia (green-blind)

#5A80CA

Tritanopia (blue-blind)

#2C939E

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #6183cc;
/* rgb */ color: rgb(97, 131, 204);
/* oklch */ color: oklch(61.7% 0.118 264.3);

Tailwind

colors: {
  custom: {
    50: '#94a6dc',
    500: '#6183cc',
    950: '#000000',
  },
}

SCSS

$custom: #6183cc;
$custom-light: #94a6dc;
$custom-dark: #000000;

JSON

{
  "hex": "#6183cc",
  "rgb": {
    "r": 97,
    "g": 131,
    "b": 204
  },
  "hsl": {
    "h": 220.935,
    "s": 51.196,
    "l": 59.02
  },
  "oklch": {
    "l": 0.61674,
    "c": 0.11772,
    "h": 264.3
  },
  "luminance": 0.23134
}

Semantic roles & 50–950 ramp

primary

#6183CC

secondary

#D9CCAF

accent

#AE4DDB

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #6183CC

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

Preview Lab → · Contrast checker → · Palette generator →