#4C91BC#4C91BC

#4C91BC is a light, moderate cyan. Relative luminance 0.254; OKLCH L 62.9% C 0.095 H 238.2°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#4C91BC
RGB	rgb(76, 145, 188)
HSL	hsl(203, 46%, 52%)
HSV	hsv(203, 60%, 74%)
CMYK	cmyk(59.6%, 22.9%, 0%, 26.3%)
CIE-LAB	lab(57.48, -8.89, -28.94)
CIE-LCH	lch(57.48, 30.28, 252.93°)
OKLab	oklab(62.94% -0.0503 -0.081)
OKLCH	oklch(62.94% 0.095 238.2)
XYZ	xyz(22.1796, 25.4161, 51.3041)
Luminance	0.2542 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C91BC #BC774C

analogous

#4CBCAF #4C91BC #4C59BC

triadic

#4C91BC #BC4C91 #91BC4C

tetradic

#4C91BC #AF4CBC #BC774C #59BC4C

square

#4C91BC #AF4CBC #BC774C #59BC4C

split-complementary

#4C91BC #BC4C59 #BCAF4C

monochromatic

#274E67 #377094 #4C91BC #79ACCD #A5C8DD

Accessibility & contrast

On white

3.45

#4C91BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.08

#4C91BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C91BC

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C91BC	#FFFFFF	#000000	##000000
##4C91BC	1.00	3.45	6.08	6.08
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.08	21.00	1.00	1.00
##000000	6.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D90BE

Deuteranopia (green-blind)

#6E85BB

Tritanopia (blue-blind)

#009C9F

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4c91bc;
/* rgb */ color: rgb(76, 145, 188);
/* oklch */ color: oklch(62.9% 0.095 238.2);

Tailwind

colors: {
  custom: {
    50: '#87b1d0',
    500: '#4c91bc',
    950: '#000000',
  },
}

SCSS

$custom: #4c91bc;
$custom-light: #87b1d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4c91bc",
  "rgb": {
    "r": 76,
    "g": 145,
    "b": 188
  },
  "hsl": {
    "h": 203.036,
    "s": 45.528,
    "l": 51.765
  },
  "oklch": {
    "l": 0.62945,
    "c": 0.09535,
    "h": 238.2
  },
  "luminance": 0.25418
}

Semantic roles & 50–950 ramp

primary

#4C91BC

secondary

#CAAC99

accent

#8553D5

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4C91BC

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

Preview Lab → · Contrast checker → · Palette generator →