#647CBE#647CBE

#647CBE is a mid, moderate blue. Relative luminance 0.208; OKLCH L 59.6% C 0.105 H 268.0°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#647CBE
RGB	rgb(100, 124, 190)
HSL	hsl(224, 41%, 57%)
HSV	hsv(224, 47%, 75%)
CMYK	cmyk(47.4%, 34.7%, 0%, 25.5%)
CIE-LAB	lab(52.77, 9.40, -37.33)
CIE-LCH	lch(52.77, 38.50, 284.14°)
OKLab	oklab(59.61% -0.0037 -0.105)
OKLCH	oklch(59.61% 0.105 268)
XYZ	xyz(21.7545, 20.8410, 51.5816)
Luminance	0.2084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647CBE #BEA664

analogous

#64A9BE #647CBE #7964BE

triadic

#647CBE #BE647C #7CBE64

tetradic

#647CBE #BE64A9 #BEA664 #64BE79

square

#647CBE #BE64A9 #BEA664 #64BE79

split-complementary

#647CBE #BE7964 #A9BE64

monochromatic

#324476 #445DA1 #647CBE #8FA0D0 #BAC5E2

Accessibility & contrast

On white

4.06

#647CBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#647CBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647CBE

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647CBE	#FFFFFF	#000000	##000000
##647CBE	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6382C1

Deuteranopia (green-blind)

#5A7ABD

Tritanopia (blue-blind)

#418A94

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #647cbe;
/* rgb */ color: rgb(100, 124, 190);
/* oklch */ color: oklch(59.6% 0.105 268.0);

Tailwind

colors: {
  custom: {
    50: '#95a1d2',
    500: '#647cbe',
    950: '#000000',
  },
}

SCSS

$custom: #647cbe;
$custom-light: #95a1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#647cbe",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 190
  },
  "hsl": {
    "h": 224,
    "s": 40.909,
    "l": 56.863
  },
  "oklch": {
    "l": 0.59613,
    "c": 0.10512,
    "h": 268
  },
  "luminance": 0.20842
}

Semantic roles & 50–950 ramp

primary

#647CBE

secondary

#D1C7AD

accent

#B057D1

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0F14

muted

#7E7E82

Preview Lab

Preview with #647CBE

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

Preview Lab → · Contrast checker → · Palette generator →