#4C91BE#4C91BE

#4C91BE is a light, moderate cyan. Relative luminance 0.255; OKLCH L 63.0% C 0.097 H 239.4°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#4C91BE
RGB	rgb(76, 145, 190)
HSL	hsl(204, 47%, 52%)
HSV	hsv(204, 60%, 75%)
CMYK	cmyk(60%, 23.7%, 0%, 25.5%)
CIE-LAB	lab(57.56, -8.25, -29.95)
CIE-LCH	lch(57.56, 31.06, 254.60°)
OKLab	oklab(63.04% -0.0496 -0.0839)
OKLCH	oklch(63.04% 0.097 239.4)
XYZ	xyz(22.3967, 25.5029, 52.4475)
Luminance	0.2550 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C91BE #BE794C

analogous

#4CBEB2 #4C91BE #4C58BE

triadic

#4C91BE #BE4C91 #91BE4C

tetradic

#4C91BE #B24CBE #BE794C #58BE4C

square

#4C91BE #B24CBE #BE794C #58BE4C

split-complementary

#4C91BE #BE4C58 #BEB24C

monochromatic

#264F69 #377096 #4C91BE #79ADCE #A6C8DF

Accessibility & contrast

On white

3.44

#4C91BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#4C91BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C91BE

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C91BE	#FFFFFF	#000000	##000000
##4C91BE	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D91C0

Deuteranopia (green-blind)

#6D85BD

Tritanopia (blue-blind)

#009CA0

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4c91be;
/* rgb */ color: rgb(76, 145, 190);
/* oklch */ color: oklch(63.0% 0.097 239.4);

Tailwind

colors: {
  custom: {
    50: '#88b1d1',
    500: '#4c91be',
    950: '#000000',
  },
}

SCSS

$custom: #4c91be;
$custom-light: #88b1d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4c91be",
  "rgb": {
    "r": 76,
    "g": 145,
    "b": 190
  },
  "hsl": {
    "h": 203.684,
    "s": 46.721,
    "l": 52.157
  },
  "oklch": {
    "l": 0.63039,
    "c": 0.09747,
    "h": 239.4
  },
  "luminance": 0.25505
}

Semantic roles & 50–950 ramp

primary

#4C91BE

secondary

#CCAE9A

accent

#8651D6

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4C91BE

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

Preview Lab → · Contrast checker → · Palette generator →