#6388CD#6388CD

#6388CD is a light, moderate blue. Relative luminance 0.247; OKLCH L 62.9% C 0.113 H 262.1°. Best body text is #000000 at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#6388CD
RGB	rgb(99, 136, 205)
HSL	hsl(219, 51%, 60%)
HSV	hsv(219, 52%, 80%)
CMYK	cmyk(51.7%, 33.7%, 0%, 19.6%)
CIE-LAB	lab(56.75, 6.64, -39.62)
CIE-LCH	lch(56.75, 40.17, 279.51°)
OKLab	oklab(62.92% -0.0154 -0.1116)
OKLCH	oklch(62.92% 0.113 262.1)
XYZ	xyz(24.9655, 24.6670, 61.1914)
Luminance	0.2467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6388CD #CDA863

analogous

#63BDCD #6388CD #7363CD

triadic

#6388CD #CD6388 #88CD63

tetradic

#6388CD #CD63BD #CDA863 #63CD73

square

#6388CD #CD63BD #CDA863 #63CD73

split-complementary

#6388CD #CD7363 #BDCD63

monochromatic

#2C4D8A #3B67B8 #6388CD #91ABDC #C0CFEB

Accessibility & contrast

On white

3.54

#6388CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.93

#6388CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6388CD

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6388CD	#FFFFFF	#000000	##000000
##6388CD	1.00	3.54	5.93	5.93
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.93	21.00	1.00	1.00
##000000	5.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D8ED0

Deuteranopia (green-blind)

#6184CC

Tritanopia (blue-blind)

#2F97A1

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #6388cd;
/* rgb */ color: rgb(99, 136, 205);
/* oklch */ color: oklch(62.9% 0.113 262.1);

Tailwind

colors: {
  custom: {
    50: '#96aadc',
    500: '#6388cd',
    950: '#000000',
  },
}

SCSS

$custom: #6388cd;
$custom-light: #96aadc;
$custom-dark: #000000;

JSON

{
  "hex": "#6388cd",
  "rgb": {
    "r": 99,
    "g": 136,
    "b": 205
  },
  "hsl": {
    "h": 219.057,
    "s": 51.456,
    "l": 59.608
  },
  "oklch": {
    "l": 0.62916,
    "c": 0.1127,
    "h": 262.1
  },
  "luminance": 0.24669
}

Semantic roles & 50–950 ramp

primary

#6388CD

secondary

#DACCB1

accent

#A94DDB

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #6388CD

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

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