#647EBB#647EBB

#647EBB is a mid, moderate blue. Relative luminance 0.212; OKLCH L 59.9% C 0.098 H 265.9°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#647EBB
RGB	rgb(100, 126, 187)
HSL	hsl(222, 39%, 56%)
HSV	hsv(222, 47%, 73%)
CMYK	cmyk(46.5%, 32.6%, 0%, 26.7%)
CIE-LAB	lab(53.19, 7.29, -34.97)
CIE-LCH	lch(53.19, 35.72, 281.78°)
OKLab	oklab(59.89% -0.007 -0.0982)
OKLCH	oklch(59.89% 0.098 265.9)
XYZ	xyz(21.6831, 21.2176, 49.9569)
Luminance	0.2122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647EBB #BBA164

analogous

#64AABB #647EBB #7664BB

triadic

#647EBB #BB647E #7EBB64

tetradic

#647EBB #BB64AA #BBA164 #64BB76

square

#647EBB #BB64AA #BBA164 #64BB76

split-complementary

#647EBB #BB7664 #AABB64

monochromatic

#324572 #455F9D #647EBB #8FA1CE #B9C5E0

Accessibility & contrast

On white

4.00

#647EBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#647EBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647EBB

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647EBB	#FFFFFF	#000000	##000000
##647EBB	1.00	4.00	5.24	5.24
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6883BE

Deuteranopia (green-blind)

#5E7BBA

Tritanopia (blue-blind)

#428B94

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #647ebb;
/* rgb */ color: rgb(100, 126, 187);
/* oklch */ color: oklch(59.9% 0.098 265.9);

Tailwind

colors: {
  custom: {
    50: '#94a3cf',
    500: '#647ebb',
    950: '#000000',
  },
}

SCSS

$custom: #647ebb;
$custom-light: #94a3cf;
$custom-dark: #000000;

JSON

{
  "hex": "#647ebb",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 187
  },
  "hsl": {
    "h": 222.069,
    "s": 39.013,
    "l": 56.275
  },
  "oklch": {
    "l": 0.59885,
    "c": 0.09843,
    "h": 265.9
  },
  "luminance": 0.21219
}

Semantic roles & 50–950 ramp

primary

#647EBB

secondary

#CFC5AB

accent

#AC59CF

background

#F9FAFC

surface

#F2F3F9

border

#CCCDD2

text

#0D0F14

muted

#7E7F82

Preview Lab

Preview with #647EBB

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

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