#4C91BF#4C91BF

#4C91BF is a light, moderate cyan. Relative luminance 0.255; OKLCH L 63.1% C 0.099 H 240.0°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#4C91BF
RGB	rgb(76, 145, 191)
HSL	hsl(204, 47%, 52%)
HSV	hsv(204, 60%, 75%)
CMYK	cmyk(60.2%, 24.1%, 0%, 25.1%)
CIE-LAB	lab(57.60, -7.93, -30.45)
CIE-LCH	lch(57.60, 31.46, 255.41°)
OKLab	oklab(63.09% -0.0492 -0.0854)
OKLCH	oklch(63.09% 0.099 240)
XYZ	xyz(22.5063, 25.5468, 53.0251)
Luminance	0.2555 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C91BF #BF7A4C

analogous

#4CBFB3 #4C91BF #4C58BF

triadic

#4C91BF #BF4C91 #91BF4C

tetradic

#4C91BF #B34CBF #BF7A4C #58BF4C

square

#4C91BF #B34CBF #BF7A4C #58BF4C

split-complementary

#4C91BF #BF4C58 #BFB34C

monochromatic

#264F6B #367198 #4C91BF #79ADCF #A6C8DF

Accessibility & contrast

On white

3.44

#4C91BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#4C91BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C91BF

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C91BF	#FFFFFF	#000000	##000000
##4C91BF	1.00	3.44	6.11	6.11
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.11	21.00	1.00	1.00
##000000	6.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C91C1

Deuteranopia (green-blind)

#6D85BE

Tritanopia (blue-blind)

#009CA1

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4c91bf;
/* rgb */ color: rgb(76, 145, 191);
/* oklch */ color: oklch(63.1% 0.099 240.0);

Tailwind

colors: {
  custom: {
    50: '#88b1d2',
    500: '#4c91bf',
    950: '#000000',
  },
}

SCSS

$custom: #4c91bf;
$custom-light: #88b1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4c91bf",
  "rgb": {
    "r": 76,
    "g": 145,
    "b": 191
  },
  "hsl": {
    "h": 204,
    "s": 47.325,
    "l": 52.353
  },
  "oklch": {
    "l": 0.63087,
    "c": 0.09854,
    "h": 240
  },
  "luminance": 0.25549
}

Semantic roles & 50–950 ramp

primary

#4C91BF

secondary

#CCAE9A

accent

#8651D7

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4C91BF

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

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