#4591BD#4591BD

#4591BD is a light, moderate cyan. Relative luminance 0.252; OKLCH L 62.7% C 0.100 H 236.8°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#4591BD
RGB	rgb(69, 145, 189)
HSL	hsl(202, 48%, 51%)
HSV	hsv(202, 63%, 74%)
CMYK	cmyk(63.5%, 23.3%, 0%, 25.9%)
CIE-LAB	lab(57.26, -9.89, -29.87)
CIE-LCH	lch(57.26, 31.47, 251.69°)
OKLab	oklab(62.71% -0.0548 -0.0838)
OKLCH	oklch(62.71% 0.1 236.8)
XYZ	xyz(21.7614, 25.1879, 51.8492)
Luminance	0.2519 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4591BD #BD7145

analogous

#45BDAD #4591BD #4555BD

triadic

#4591BD #BD4591 #91BD45

tetradic

#4591BD #AD45BD #BD7145 #55BD45

square

#4591BD #AD45BD #BD7145 #55BD45

split-complementary

#4591BD #BD4555 #BDAD45

monochromatic

#244C64 #346F91 #4591BD #72ACCD #9FC6DD

Accessibility & contrast

On white

3.48

#4591BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.04

#4591BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4591BD

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4591BD	#FFFFFF	#000000	##000000
##4591BD	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)

#7C90BF

Deuteranopia (green-blind)

#6C84BC

Tritanopia (blue-blind)

#009CA0

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4591bd;
/* rgb */ color: rgb(69, 145, 189);
/* oklch */ color: oklch(62.7% 0.100 236.8);

Tailwind

colors: {
  custom: {
    50: '#84b1d1',
    500: '#4591bd',
    950: '#000000',
  },
}

SCSS

$custom: #4591bd;
$custom-light: #84b1d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4591bd",
  "rgb": {
    "r": 69,
    "g": 145,
    "b": 189
  },
  "hsl": {
    "h": 202,
    "s": 47.619,
    "l": 50.588
  },
  "oklch": {
    "l": 0.62711,
    "c": 0.10014,
    "h": 236.8
  },
  "luminance": 0.2519
}

Semantic roles & 50–950 ramp

primary

#4591BD

secondary

#CAA894

accent

#8251D7

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4591BD

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

Preview Lab → · Contrast checker → · Palette generator →