#4591B5#4591B5

#4591B5 is a light, moderate cyan. Relative luminance 0.249; OKLCH L 62.3% C 0.092 H 231.4°. Best body text is #000000 at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#4591B5
RGB	rgb(69, 145, 181)
HSL	hsl(199, 45%, 49%)
HSV	hsv(199, 62%, 71%)
CMYK	cmyk(61.9%, 19.9%, 0%, 29%)
CIE-LAB	lab(56.93, -12.48, -25.84)
CIE-LCH	lch(56.93, 28.69, 244.23°)
OKLab	oklab(62.34% -0.0577 -0.0722)
OKLCH	oklch(62.34% 0.092 231.4)
XYZ	xyz(20.9169, 24.8501, 47.4013)
Luminance	0.2485 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4591B5 #B56945

analogous

#45B5A1 #4591B5 #4559B5

triadic

#4591B5 #B54591 #91B545

tetradic

#4591B5 #A145B5 #B56945 #59B545

square

#4591B5 #A145B5 #B56945 #59B545

split-complementary

#4591B5 #B54559 #B5A145

monochromatic

#234A5C #346E89 #4591B5 #6FACC8 #9BC5D9

Accessibility & contrast

On white

3.52

#4591B5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.97

#4591B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4591B5

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4591B5	#FFFFFF	#000000	##000000
##4591B5	1.00	3.52	5.97	5.97
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.97	21.00	1.00	1.00
##000000	5.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8FB7

Deuteranopia (green-blind)

#6F84B4

Tritanopia (blue-blind)

#009B9D

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4591b5;
/* rgb */ color: rgb(69, 145, 181);
/* oklch */ color: oklch(62.3% 0.092 231.4);

Tailwind

colors: {
  custom: {
    50: '#83b1cb',
    500: '#4591b5',
    950: '#000000',
  },
}

SCSS

$custom: #4591b5;
$custom-light: #83b1cb;
$custom-dark: #000000;

JSON

{
  "hex": "#4591b5",
  "rgb": {
    "r": 69,
    "g": 145,
    "b": 181
  },
  "hsl": {
    "h": 199.286,
    "s": 44.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.62341,
    "c": 0.09243,
    "h": 231.4
  },
  "luminance": 0.24852
}

Semantic roles & 50–950 ramp

primary

#4591B5

secondary

#C5A191

accent

#7D53D5

background

#F8FAFC

surface

#F0F5F8

border

#CBCFD1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #4591B5

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

Preview Lab → · Contrast checker → · Palette generator →