#6377DB#6377DB

#6377DB is a mid, vivid blue. Relative luminance 0.210; OKLCH L 60.2% C 0.153 H 272.5°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#6377DB
RGB	rgb(99, 119, 219)
HSL	hsl(230, 63%, 62%)
HSV	hsv(230, 55%, 86%)
CMYK	cmyk(54.8%, 45.7%, 0%, 14.1%)
CIE-LAB	lab(52.90, 21.31, -53.61)
CIE-LCH	lch(52.90, 57.69, 291.68°)
OKLab	oklab(60.2% 0.0067 -0.1527)
OKLCH	oklch(60.2% 0.153 272.5)
XYZ	xyz(24.5244, 20.9590, 69.7573)
Luminance	0.2096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6377DB #DBC763

analogous

#63B3DB #6377DB #8B63DB

triadic

#6377DB #DB6377 #77DB63

tetradic

#6377DB #DB63B3 #DBC763 #63DB8B

square

#6377DB #DB63B3 #DBC763 #63DB8B

split-complementary

#6377DB #DB8B63 #B3DB63

monochromatic

#25399F #314CD0 #6377DB #95A2E6 #C6CEF2

Accessibility & contrast

On white

4.04

#6377DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#6377DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6377DB

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6377DB	#FFFFFF	#000000	##000000
##6377DB	1.00	4.04	5.19	5.19
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A84DF

Deuteranopia (green-blind)

#3B79D9

Tritanopia (blue-blind)

#228D9E

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #6377db;
/* rgb */ color: rgb(99, 119, 219);
/* oklch */ color: oklch(60.2% 0.153 272.5);

Tailwind

colors: {
  custom: {
    50: '#989de7',
    500: '#6377db',
    950: '#000000',
  },
}

SCSS

$custom: #6377db;
$custom-light: #989de7;
$custom-dark: #000000;

JSON

{
  "hex": "#6377db",
  "rgb": {
    "r": 99,
    "g": 119,
    "b": 219
  },
  "hsl": {
    "h": 230,
    "s": 62.5,
    "l": 62.353
  },
  "oklch": {
    "l": 0.60195,
    "c": 0.15286,
    "h": 272.5
  },
  "luminance": 0.20961
}

Semantic roles & 50–950 ramp

primary

#6377DB

secondary

#E3DCB7

accent

#AD1BCA

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #6377DB

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

Preview Lab → · Contrast checker → · Palette generator →