#6371EB#6371EB

#6371EB is a mid, vivid blue. Relative luminance 0.205; OKLCH L 60.1% C 0.182 H 274.6°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#6371EB
RGB	rgb(99, 113, 235)
HSL	hsl(234, 77%, 65%)
HSV	hsv(234, 58%, 92%)
CMYK	cmyk(57.9%, 51.9%, 0%, 7.8%)
CIE-LAB	lab(52.35, 30.12, -63.49)
CIE-LCH	lch(52.35, 70.27, 295.38°)
OKLab	oklab(60.09% 0.0146 -0.1818)
OKLCH	oklch(60.09% 0.182 274.6)
XYZ	xyz(26.0412, 20.4591, 81.1579)
Luminance	0.2046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6371EB #EBDD63

analogous

#63B5EB #6371EB #9963EB

triadic

#6371EB #EB6371 #71EB63

tetradic

#6371EB #EB63B5 #EBDD63 #63EB99

square

#6371EB #EB63B5 #EBDD63 #63EB99

split-complementary

#6371EB #EB9963 #B5EB63

monochromatic

#1829BC #2D40E4 #6371EB #99A2F2 #CFD4F9

Accessibility & contrast

On white

4.12

#6371EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#6371EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6371EB

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6371EB	#FFFFFF	#000000	##000000
##6371EB	1.00	4.12	5.09	5.09
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2983EF

Deuteranopia (green-blind)

#0077E8

Tritanopia (blue-blind)

#008DA3

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #6371eb;
/* rgb */ color: rgb(99, 113, 235);
/* oklch */ color: oklch(60.1% 0.182 274.6);

Tailwind

colors: {
  custom: {
    50: '#9a99f2',
    500: '#6371eb',
    950: '#000000',
  },
}

SCSS

$custom: #6371eb;
$custom-light: #9a99f2;
$custom-dark: #000000;

JSON

{
  "hex": "#6371eb",
  "rgb": {
    "r": 99,
    "g": 113,
    "b": 235
  },
  "hsl": {
    "h": 233.824,
    "s": 77.273,
    "l": 65.49
  },
  "oklch": {
    "l": 0.60091,
    "c": 0.18239,
    "h": 274.6
  },
  "luminance": 0.20461
}

Semantic roles & 50–950 ramp

primary

#6371EB

secondary

#ECE7BE

accent

#C40CDA

background

#FAF9FE

surface

#F4F2FD

border

#CECCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #6371EB

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

Preview Lab → · Contrast checker → · Palette generator →