#6383EB#6383EB

#6383EB is a light, vivid blue. Relative luminance 0.249; OKLCH L 63.6% C 0.160 H 268.7°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#6383EB
RGB	rgb(99, 131, 235)
HSL	hsl(226, 77%, 65%)
HSV	hsv(226, 58%, 92%)
CMYK	cmyk(57.9%, 44.3%, 0%, 7.8%)
CIE-LAB	lab(56.96, 19.21, -56.09)
CIE-LCH	lch(56.96, 59.29, 288.90°)
OKLab	oklab(63.59% -0.0037 -0.1599)
OKLCH	oklch(63.59% 0.16 268.7)
XYZ	xyz(28.2523, 24.8812, 81.8949)
Luminance	0.2488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6383EB #EBCB63

analogous

#63C7EB #6383EB #8763EB

triadic

#6383EB #EB6383 #83EB63

tetradic

#6383EB #EB63C7 #EBCB63 #63EB87

square

#6383EB #EB63C7 #EBCB63 #63EB87

split-complementary

#6383EB #EB8763 #C7EB63

monochromatic

#183FBC #2D58E4 #6383EB #99AEF2 #CFD9F9

Accessibility & contrast

On white

3.51

#6383EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#6383EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6383EB

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6383EB	#FFFFFF	#000000	##000000
##6383EB	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#548FEF

Deuteranopia (green-blind)

#4083E9

Tritanopia (blue-blind)

#009AAC

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #6383eb;
/* rgb */ color: rgb(99, 131, 235);
/* oklch */ color: oklch(63.6% 0.160 268.7);

Tailwind

colors: {
  custom: {
    50: '#9aa6f2',
    500: '#6383eb',
    950: '#000000',
  },
}

SCSS

$custom: #6383eb;
$custom-light: #9aa6f2;
$custom-dark: #000000;

JSON

{
  "hex": "#6383eb",
  "rgb": {
    "r": 99,
    "g": 131,
    "b": 235
  },
  "hsl": {
    "h": 225.882,
    "s": 77.273,
    "l": 65.49
  },
  "oklch": {
    "l": 0.63586,
    "c": 0.1599,
    "h": 268.7
  },
  "luminance": 0.24883
}

Semantic roles & 50–950 ramp

primary

#6383EB

secondary

#ECE1BE

accent

#A90CDA

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #6383EB

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

Preview Lab → · Contrast checker → · Palette generator →