#6380B3#6380B3

#6380B3 is a mid, moderate blue. Relative luminance 0.213; OKLCH L 59.9% C 0.085 H 261.3°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#6380B3
RGB	rgb(99, 128, 179)
HSL	hsl(218, 34%, 55%)
HSV	hsv(218, 45%, 70%)
CMYK	cmyk(44.7%, 28.5%, 0%, 29.8%)
CIE-LAB	lab(53.32, 3.45, -30.17)
CIE-LCH	lch(53.32, 30.36, 276.53°)
OKLab	oklab(59.86% -0.0128 -0.0843)
OKLCH	oklch(59.86% 0.085 261.3)
XYZ	xyz(20.9988, 21.3444, 45.6525)
Luminance	0.2135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6380B3 #B39663

analogous

#63A8B3 #6380B3 #6E63B3

triadic

#6380B3 #B36380 #80B363

tetradic

#6380B3 #B363A8 #B39663 #63B36E

square

#6380B3 #B363A8 #B39663 #63B36E

split-complementary

#6380B3 #B36E63 #A8B363

monochromatic

#334669 #476292 #6380B3 #8CA2C7 #B5C3DB

Accessibility & contrast

On white

3.99

#6380B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#6380B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6380B3

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6380B3	#FFFFFF	#000000	##000000
##6380B3	1.00	3.99	5.27	5.27
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D83B5

Deuteranopia (green-blind)

#657CB2

Tritanopia (blue-blind)

#458B92

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #6380b3;
/* rgb */ color: rgb(99, 128, 179);
/* oklch */ color: oklch(59.9% 0.085 261.3);

Tailwind

colors: {
  custom: {
    50: '#93a4ca',
    500: '#6380b3',
    950: '#000000',
  },
}

SCSS

$custom: #6380b3;
$custom-light: #93a4ca;
$custom-dark: #000000;

JSON

{
  "hex": "#6380b3",
  "rgb": {
    "r": 99,
    "g": 128,
    "b": 179
  },
  "hsl": {
    "h": 218.25,
    "s": 34.483,
    "l": 54.51
  },
  "oklch": {
    "l": 0.59857,
    "c": 0.08528,
    "h": 261.3
  },
  "luminance": 0.21346
}

Semantic roles & 50–950 ramp

primary

#6380B3

secondary

#CABEA8

accent

#A35DCB

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0D0F13

muted

#7E7F82

Preview Lab

Preview with #6380B3

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

Preview Lab → · Contrast checker → · Palette generator →