#4C91BB#4C91BB

#4C91BB is a light, moderate cyan. Relative luminance 0.254; OKLCH L 62.9% C 0.094 H 237.6°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#4C91BB
RGB	rgb(76, 145, 187)
HSL	hsl(203, 45%, 52%)
HSV	hsv(203, 59%, 73%)
CMYK	cmyk(59.4%, 22.5%, 0%, 26.7%)
CIE-LAB	lab(57.44, -9.21, -28.44)
CIE-LCH	lch(57.44, 29.89, 252.06°)
OKLab	oklab(62.9% -0.0506 -0.0796)
OKLCH	oklch(62.9% 0.094 237.6)
XYZ	xyz(22.0722, 25.3731, 50.7384)
Luminance	0.2537 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C91BB #BB764C

analogous

#4CBBAE #4C91BB #4C5ABB

triadic

#4C91BB #BB4C91 #91BB4C

tetradic

#4C91BB #AE4CBB #BB764C #5ABB4C

square

#4C91BB #AE4CBB #BB764C #5ABB4C

split-complementary

#4C91BB #BB4C5A #BBAE4C

monochromatic

#274E66 #387092 #4C91BB #78ACCC #A5C8DD

Accessibility & contrast

On white

3.46

#4C91BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.07

#4C91BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C91BB

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C91BB	#FFFFFF	#000000	##000000
##4C91BB	1.00	3.46	6.07	6.07
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.07	21.00	1.00	1.00
##000000	6.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E90BD

Deuteranopia (green-blind)

#6E85BA

Tritanopia (blue-blind)

#009C9F

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4c91bb;
/* rgb */ color: rgb(76, 145, 187);
/* oklch */ color: oklch(62.9% 0.094 237.6);

Tailwind

colors: {
  custom: {
    50: '#87b1cf',
    500: '#4c91bb',
    950: '#000000',
  },
}

SCSS

$custom: #4c91bb;
$custom-light: #87b1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4c91bb",
  "rgb": {
    "r": 76,
    "g": 145,
    "b": 187
  },
  "hsl": {
    "h": 202.703,
    "s": 44.939,
    "l": 51.569
  },
  "oklch": {
    "l": 0.62899,
    "c": 0.09432,
    "h": 237.6
  },
  "luminance": 0.25375
}

Semantic roles & 50–950 ramp

primary

#4C91BB

secondary

#CAAB99

accent

#8453D5

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4C91BB

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

Preview Lab → · Contrast checker → · Palette generator →