#4E91B5#4E91B5

#4E91B5 is a light, moderate cyan. Relative luminance 0.252; OKLCH L 62.7% C 0.087 H 234.0°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#4E91B5
RGB	rgb(78, 145, 181)
HSL	hsl(201, 41%, 51%)
HSV	hsv(201, 57%, 71%)
CMYK	cmyk(56.9%, 19.9%, 0%, 29%)
CIE-LAB	lab(57.27, -10.69, -25.28)
CIE-LCH	lch(57.27, 27.45, 247.07°)
OKLab	oklab(62.71% -0.0512 -0.0705)
OKLCH	oklch(62.71% 0.087 234)
XYZ	xyz(21.6046, 25.2047, 47.4336)
Luminance	0.2521 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E91B5 #B5724E

analogous

#4EB5A5 #4E91B5 #4E5DB5

triadic

#4E91B5 #B54E91 #91B54E

tetradic

#4E91B5 #A54EB5 #B5724E #5DB54E

square

#4E91B5 #A54EB5 #B5724E #5DB54E

split-complementary

#4E91B5 #B54E5D #B5A54E

monochromatic

#284D60 #3A6F8B #4E91B5 #79ACC7 #A4C7D9

Accessibility & contrast

On white

3.48

#4E91B5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.04

#4E91B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E91B5

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E91B5	#FFFFFF	#000000	##000000
##4E91B5	1.00	3.48	6.04	6.04
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.04	21.00	1.00	1.00
##000000	6.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8090B7

Deuteranopia (green-blind)

#7185B4

Tritanopia (blue-blind)

#009B9D

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4e91b5;
/* rgb */ color: rgb(78, 145, 181);
/* oklch */ color: oklch(62.7% 0.087 234.0);

Tailwind

colors: {
  custom: {
    50: '#88b1cb',
    500: '#4e91b5',
    950: '#000000',
  },
}

SCSS

$custom: #4e91b5;
$custom-light: #88b1cb;
$custom-dark: #000000;

JSON

{
  "hex": "#4e91b5",
  "rgb": {
    "r": 78,
    "g": 145,
    "b": 181
  },
  "hsl": {
    "h": 200.971,
    "s": 41.036,
    "l": 50.784
  },
  "oklch": {
    "l": 0.62712,
    "c": 0.08718,
    "h": 234
  },
  "luminance": 0.25207
}

Semantic roles & 50–950 ramp

primary

#4E91B5

secondary

#C6A999

accent

#8257D1

background

#F8FAFC

surface

#F0F5F8

border

#CBCFD1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #4E91B5

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

Preview Lab → · Contrast checker → · Palette generator →