#4E91B1#4E91B1

#4E91B1 is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.5% C 0.083 H 230.8°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#4E91B1
RGB	rgb(78, 145, 177)
HSL	hsl(199, 39%, 50%)
HSV	hsv(199, 56%, 69%)
CMYK	cmyk(55.9%, 18.1%, 0%, 30.6%)
CIE-LAB	lab(57.12, -11.93, -23.24)
CIE-LCH	lch(57.12, 26.13, 242.83°)
OKLab	oklab(62.54% -0.0527 -0.0647)
OKLCH	oklch(62.54% 0.083 230.8)
XYZ	xyz(21.2001, 25.0429, 45.3030)
Luminance	0.2505 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E91B1 #B16E4E

analogous

#4EB1A0 #4E91B1 #4E5FB1

triadic

#4E91B1 #B14E91 #91B14E

tetradic

#4E91B1 #A04EB1 #B16E4E #5FB14E

square

#4E91B1 #A04EB1 #B16E4E #5FB14E

split-complementary

#4E91B1 #B14E5F #B1A04E

monochromatic

#294B5C #3B6E87 #4E91B1 #78ABC4 #A3C6D6

Accessibility & contrast

On white

3.49

#4E91B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.01

#4E91B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E91B1

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E91B1	#FFFFFF	#000000	##000000
##4E91B1	1.00	3.49	6.01	6.01
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.01	21.00	1.00	1.00
##000000	6.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818FB3

Deuteranopia (green-blind)

#7384B1

Tritanopia (blue-blind)

#009A9B

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4e91b1;
/* rgb */ color: rgb(78, 145, 177);
/* oklch */ color: oklch(62.5% 0.083 230.8);

Tailwind

colors: {
  custom: {
    50: '#87b1c8',
    500: '#4e91b1',
    950: '#000000',
  },
}

SCSS

$custom: #4e91b1;
$custom-light: #87b1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4e91b1",
  "rgb": {
    "r": 78,
    "g": 145,
    "b": 177
  },
  "hsl": {
    "h": 199.394,
    "s": 38.824,
    "l": 50
  },
  "oklch": {
    "l": 0.62535,
    "c": 0.08348,
    "h": 230.8
  },
  "luminance": 0.25045
}

Semantic roles & 50–950 ramp

primary

#4E91B1

secondary

#C4A697

accent

#7F59CF

background

#F8FAFC

surface

#F0F5F8

border

#CBCFD1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #4E91B1

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

Preview Lab → · Contrast checker → · Palette generator →