#6181CB#6181CB

#6181CB is a mid, moderate blue. Relative luminance 0.226; OKLCH L 61.2% C 0.119 H 265.3°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#6181CB
RGB	rgb(97, 129, 203)
HSL	hsl(222, 50%, 59%)
HSV	hsv(222, 52%, 80%)
CMYK	cmyk(52.2%, 36.5%, 0%, 20.4%)
CIE-LAB	lab(54.61, 9.72, -41.87)
CIE-LCH	lch(54.61, 42.98, 283.08°)
OKLab	oklab(61.19% -0.0096 -0.1183)
OKLCH	oklch(61.19% 0.119 265.3)
XYZ	xyz(23.5559, 22.5520, 59.6000)
Luminance	0.2255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6181CB #CBAB61

analogous

#61B6CB #6181CB #7661CB

triadic

#6181CB #CB6181 #81CB61

tetradic

#6181CB #CB61B6 #CBAB61 #61CB76

square

#6181CB #CB61B6 #CBAB61 #61CB76

split-complementary

#6181CB #CB7661 #B6CB61

monochromatic

#2C4786 #3B60B4 #6181CB #8FA6DA #BDCAE9

Accessibility & contrast

On white

3.81

#6181CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#6181CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6181CB

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6181CB	#FFFFFF	#000000	##000000
##6181CB	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6488CE

Deuteranopia (green-blind)

#587EC9

Tritanopia (blue-blind)

#2D919C

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #6181cb;
/* rgb */ color: rgb(97, 129, 203);
/* oklch */ color: oklch(61.2% 0.119 265.3);

Tailwind

colors: {
  custom: {
    50: '#94a5db',
    500: '#6181cb',
    950: '#000000',
  },
}

SCSS

$custom: #6181cb;
$custom-light: #94a5db;
$custom-dark: #000000;

JSON

{
  "hex": "#6181cb",
  "rgb": {
    "r": 97,
    "g": 129,
    "b": 203
  },
  "hsl": {
    "h": 221.887,
    "s": 50.476,
    "l": 58.824
  },
  "oklch": {
    "l": 0.61193,
    "c": 0.11866,
    "h": 265.3
  },
  "luminance": 0.22554
}

Semantic roles & 50–950 ramp

primary

#6181CB

secondary

#D9CCAF

accent

#B04EDA

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #6181CB

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

Preview Lab → · Contrast checker → · Palette generator →