#6397EB#6397EB

#6397EB is a light, vivid blue. Relative luminance 0.308; OKLCH L 67.7% C 0.137 H 259.6°. Best body text is #000000 at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#6397EB
RGB	rgb(99, 151, 235)
HSL	hsl(217, 77%, 65%)
HSV	hsv(217, 58%, 92%)
CMYK	cmyk(57.9%, 35.7%, 0%, 7.8%)
CIE-LAB	lab(62.32, 7.32, -47.57)
CIE-LCH	lch(62.32, 48.13, 278.75°)
OKLab	oklab(67.73% -0.0247 -0.1347)
OKLCH	oklch(67.73% 0.137 259.6)
XYZ	xyz(31.2024, 30.7814, 82.8783)
Luminance	0.3078 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6397EB #EBB763

analogous

#63DBEB #6397EB #7363EB

triadic

#6397EB #EB6397 #97EB63

tetradic

#6397EB #EB63DB #EBB763 #63EB73

square

#6397EB #EB63DB #EBB763 #63EB73

split-complementary

#6397EB #EB7363 #DBEB63

monochromatic

#1857BC #2D73E4 #6397EB #99BBF2 #CFDFF9

Accessibility & contrast

On white

2.93

#6397EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.16

#6397EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6397EB

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6397EB	#FFFFFF	#000000	##000000
##6397EB	1.00	2.93	7.16	7.16
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.16	21.00	1.00	1.00
##000000	7.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#749EEE

Deuteranopia (green-blind)

#6291E9

Tritanopia (blue-blind)

#00AAB6

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #6397eb;
/* rgb */ color: rgb(99, 151, 235);
/* oklch */ color: oklch(67.7% 0.137 259.6);

Tailwind

colors: {
  custom: {
    50: '#99b5f2',
    500: '#6397eb',
    950: '#000000',
  },
}

SCSS

$custom: #6397eb;
$custom-light: #99b5f2;
$custom-dark: #000000;

JSON

{
  "hex": "#6397eb",
  "rgb": {
    "r": 99,
    "g": 151,
    "b": 235
  },
  "hsl": {
    "h": 217.059,
    "s": 77.273,
    "l": 65.49
  },
  "oklch": {
    "l": 0.67725,
    "c": 0.13695,
    "h": 259.6
  },
  "luminance": 0.30784
}

Semantic roles & 50–950 ramp

primary

#6397EB

secondary

#ECDABE

accent

#8B0CDA

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1117

muted

#7E8085

Preview Lab

Preview with #6397EB

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

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