#648FBF#648FBF

#648FBF is a light, moderate cyan. Relative luminance 0.261; OKLCH L 63.8% C 0.087 H 251.9°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#648FBF
RGB	rgb(100, 143, 191)
HSL	hsl(212, 42%, 57%)
HSV	hsv(212, 48%, 75%)
CMYK	cmyk(47.6%, 25.1%, 0%, 25.1%)
CIE-LAB	lab(58.15, -1.47, -29.52)
CIE-LCH	lch(58.15, 29.56, 267.14°)
OKLab	oklab(63.82% -0.0269 -0.0824)
OKLCH	oklch(63.82% 0.087 251.9)
XYZ	xyz(24.4788, 26.1141, 53.0307)
Luminance	0.2612 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FBF #BF9464

analogous

#64BDBF #648FBF #6664BF

triadic

#648FBF #BF648F #8FBF64

tetradic

#648FBF #BF64BD #BF9464 #64BF66

square

#648FBF #BF64BD #BF9464 #64BF66

split-complementary

#648FBF #BF6664 #BDBF64

monochromatic

#315277 #4370A3 #648FBF #8FAED1 #BBCEE3

Accessibility & contrast

On white

3.37

#648FBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#648FBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FBF

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FBF	#FFFFFF	#000000	##000000
##648FBF	1.00	3.37	6.22	6.22
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C91C1

Deuteranopia (green-blind)

#7188BE

Tritanopia (blue-blind)

#3C9A9F

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #648fbf;
/* rgb */ color: rgb(100, 143, 191);
/* oklch */ color: oklch(63.8% 0.087 251.9);

Tailwind

colors: {
  custom: {
    50: '#95afd2',
    500: '#648fbf',
    950: '#000000',
  },
}

SCSS

$custom: #648fbf;
$custom-light: #95afd2;
$custom-dark: #000000;

JSON

{
  "hex": "#648fbf",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 191
  },
  "hsl": {
    "h": 211.648,
    "s": 41.553,
    "l": 57.059
  },
  "oklch": {
    "l": 0.63817,
    "c": 0.0867,
    "h": 251.9
  },
  "luminance": 0.26116
}

Semantic roles & 50–950 ramp

primary

#648FBF

secondary

#D2C0AD

accent

#9756D1

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E1014

muted

#7E7F82

Preview Lab

Preview with #648FBF

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

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