#6380CB#6380CB

#6380CB is a mid, moderate blue. Relative luminance 0.224; OKLCH L 61.1% C 0.119 H 266.9°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#6380CB
RGB	rgb(99, 128, 203)
HSL	hsl(223, 50%, 59%)
HSV	hsv(223, 51%, 80%)
CMYK	cmyk(51.2%, 36.9%, 0%, 20.4%)
CIE-LAB	lab(54.45, 10.78, -42.11)
CIE-LCH	lch(54.45, 43.46, 284.36°)
OKLab	oklab(61.1% -0.0065 -0.1189)
OKLCH	oklch(61.1% 0.119 266.9)
XYZ	xyz(23.6407, 22.4012, 59.5664)
Luminance	0.2240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6380CB #CBAE63

analogous

#63B4CB #6380CB #7A63CB

triadic

#6380CB #CB6380 #80CB63

tetradic

#6380CB #CB63B4 #CBAE63 #63CB7A

square

#6380CB #CB63B4 #CBAE63 #63CB7A

split-complementary

#6380CB #CB7A63 #B4CB63

monochromatic

#2D4687 #3C5EB5 #6380CB #91A5DA #BFCBEA

Accessibility & contrast

On white

3.83

#6380CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#6380CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6380CB

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6380CB	#FFFFFF	#000000	##000000
##6380CB	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6387CE

Deuteranopia (green-blind)

#577EC9

Tritanopia (blue-blind)

#33909C

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #6380cb;
/* rgb */ color: rgb(99, 128, 203);
/* oklch */ color: oklch(61.1% 0.119 266.9);

Tailwind

colors: {
  custom: {
    50: '#95a4db',
    500: '#6380cb',
    950: '#000000',
  },
}

SCSS

$custom: #6380cb;
$custom-light: #95a4db;
$custom-dark: #000000;

JSON

{
  "hex": "#6380cb",
  "rgb": {
    "r": 99,
    "g": 128,
    "b": 203
  },
  "hsl": {
    "h": 223.269,
    "s": 50,
    "l": 59.216
  },
  "oklch": {
    "l": 0.61101,
    "c": 0.11912,
    "h": 266.9
  },
  "luminance": 0.22403
}

Semantic roles & 50–950 ramp

primary

#6380CB

secondary

#D9CEB1

accent

#B34EDA

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #6380CB

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

Preview Lab → · Contrast checker → · Palette generator →