#4E91BB#4E91BB

#4E91BB is a light, moderate cyan. Relative luminance 0.255; OKLCH L 63.0% C 0.093 H 238.2°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#4E91BB
RGB	rgb(78, 145, 187)
HSL	hsl(203, 44%, 52%)
HSV	hsv(203, 58%, 73%)
CMYK	cmyk(58.3%, 22.5%, 0%, 26.7%)
CIE-LAB	lab(57.52, -8.81, -28.31)
CIE-LCH	lch(57.52, 29.65, 252.72°)
OKLab	oklab(62.99% -0.0491 -0.0792)
OKLCH	oklch(62.99% 0.093 238.2)
XYZ	xyz(22.2336, 25.4563, 50.7459)
Luminance	0.2546 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E91BB #BB784E

analogous

#4EBBAF #4E91BB #4E5BBB

triadic

#4E91BB #BB4E91 #91BB4E

tetradic

#4E91BB #AF4EBB #BB784E #5BBB4E

square

#4E91BB #AF4EBB #BB784E #5BBB4E

split-complementary

#4E91BB #BB4E5B #BBAF4E

monochromatic

#284F67 #397093 #4E91BB #7AACCC #A6C8DD

Accessibility & contrast

On white

3.45

#4E91BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#4E91BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E91BB

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E91BB	#FFFFFF	#000000	##000000
##4E91BB	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E90BD

Deuteranopia (green-blind)

#6F85BA

Tritanopia (blue-blind)

#009C9F

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4e91bb;
/* rgb */ color: rgb(78, 145, 187);
/* oklch */ color: oklch(63.0% 0.093 238.2);

Tailwind

colors: {
  custom: {
    50: '#88b1cf',
    500: '#4e91bb',
    950: '#000000',
  },
}

SCSS

$custom: #4e91bb;
$custom-light: #88b1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4e91bb",
  "rgb": {
    "r": 78,
    "g": 145,
    "b": 187
  },
  "hsl": {
    "h": 203.119,
    "s": 44.49,
    "l": 51.961
  },
  "oklch": {
    "l": 0.62985,
    "c": 0.09319,
    "h": 238.2
  },
  "luminance": 0.25458
}

Semantic roles & 50–950 ramp

primary

#4E91BB

secondary

#CAAD9B

accent

#8554D4

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4E91BB

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

Preview Lab → · Contrast checker → · Palette generator →