#4B91CC#4B91CC

#4B91CC is a light, moderate cyan. Relative luminance 0.261; OKLCH L 63.7% C 0.114 H 246.3°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#4B91CC
RGB	rgb(75, 145, 204)
HSL	hsl(207, 56%, 55%)
HSV	hsv(207, 63%, 80%)
CMYK	cmyk(63.2%, 28.9%, 0%, 20%)
CIE-LAB	lab(58.14, -3.86, -36.96)
CIE-LCH	lch(58.14, 37.16, 264.03°)
OKLab	oklab(63.68% -0.0458 -0.1042)
OKLCH	oklch(63.68% 0.114 246.3)
XYZ	xyz(23.9221, 26.1039, 60.8929)
Luminance	0.2611 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B91CC #CC864B

analogous

#4BCCC7 #4B91CC #4B51CC

triadic

#4B91CC #CC4B91 #91CC4B

tetradic

#4B91CC #C74BCC #CC864B #51CC4B

square

#4B91CC #C74BCC #CC864B #51CC4B

split-complementary

#4B91CC #CC4B51 #CCC74B

monochromatic

#23527A #3072AA #4B91CC #7BAEDA #AACBE7

Accessibility & contrast

On white

3.38

#4B91CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#4B91CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B91CC

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B91CC	#FFFFFF	#000000	##000000
##4B91CC	1.00	3.38	6.22	6.22
#FFFFFF	3.38	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)

#7793CF

Deuteranopia (green-blind)

#6686CB

Tritanopia (blue-blind)

#009FA6

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4b91cc;
/* rgb */ color: rgb(75, 145, 204);
/* oklch */ color: oklch(63.7% 0.114 246.3);

Tailwind

colors: {
  custom: {
    50: '#89b1dc',
    500: '#4b91cc',
    950: '#000000',
  },
}

SCSS

$custom: #4b91cc;
$custom-light: #89b1dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b91cc",
  "rgb": {
    "r": 75,
    "g": 145,
    "b": 204
  },
  "hsl": {
    "h": 207.442,
    "s": 55.844,
    "l": 54.706
  },
  "oklch": {
    "l": 0.63683,
    "c": 0.11381,
    "h": 246.3
  },
  "luminance": 0.26106
}

Semantic roles & 50–950 ramp

primary

#4B91CC

secondary

#D5B79E

accent

#8D49DF

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0D1015

muted

#7D7F83

Preview Lab

Preview with #4B91CC

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

Preview Lab → · Contrast checker → · Palette generator →