#6181BC#6181BC

#6181BC is a mid, moderate blue. Relative luminance 0.219; OKLCH L 60.4% C 0.098 H 262.1°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#6181BC
RGB	rgb(97, 129, 188)
HSL	hsl(219, 40%, 56%)
HSV	hsv(219, 48%, 74%)
CMYK	cmyk(48.4%, 31.4%, 0%, 26.3%)
CIE-LAB	lab(53.89, 5.06, -34.45)
CIE-LCH	lch(53.89, 34.82, 278.36°)
OKLab	oklab(60.4% -0.0135 -0.0967)
OKLCH	oklch(60.4% 0.098 262.1)
XYZ	xyz(21.8541, 21.8713, 50.6372)
Luminance	0.2187 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6181BC #BC9C61

analogous

#61AEBC #6181BC #6E61BC

triadic

#6181BC #BC6181 #81BC61

tetradic

#6181BC #BC61AE #BC9C61 #61BC6E

square

#6181BC #BC61AE #BC9C61 #61BC6E

split-complementary

#6181BC #BC6E61 #AEBC61

monochromatic

#304872 #43629D #6181BC #8CA3CE #B7C6E0

Accessibility & contrast

On white

3.91

#6181BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#6181BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6181BC

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6181BC	#FFFFFF	#000000	##000000
##6181BC	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B85BF

Deuteranopia (green-blind)

#607DBB

Tritanopia (blue-blind)

#3B8E96

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #6181bc;
/* rgb */ color: rgb(97, 129, 188);
/* oklch */ color: oklch(60.4% 0.098 262.1);

Tailwind

colors: {
  custom: {
    50: '#93a5d0',
    500: '#6181bc',
    950: '#000000',
  },
}

SCSS

$custom: #6181bc;
$custom-light: #93a5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#6181bc",
  "rgb": {
    "r": 97,
    "g": 129,
    "b": 188
  },
  "hsl": {
    "h": 218.901,
    "s": 40.444,
    "l": 55.882
  },
  "oklch": {
    "l": 0.604,
    "c": 0.09765,
    "h": 262.1
  },
  "luminance": 0.21873
}

Semantic roles & 50–950 ramp

primary

#6181BC

secondary

#CFC2AA

accent

#A657D0

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0D0F14

muted

#7E7F82

Preview Lab

Preview with #6181BC

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

Preview Lab → · Contrast checker → · Palette generator →