#4591AB#4591AB

#4591AB is a mid, moderate cyan. Relative luminance 0.245; OKLCH L 61.9% C 0.084 H 223.2°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#4591AB
RGB	rgb(69, 145, 171)
HSL	hsl(195, 43%, 47%)
HSV	hsv(195, 60%, 67%)
CMYK	cmyk(59.6%, 15.2%, 0%, 32.9%)
CIE-LAB	lab(56.54, -15.64, -20.74)
CIE-LCH	lch(56.54, 25.97, 232.98°)
OKLab	oklab(61.9% -0.0615 -0.0577)
OKLCH	oklch(61.9% 0.084 223.2)
XYZ	xyz(19.9274, 24.4543, 42.1902)
Luminance	0.2446 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4591AB #AB5F45

analogous

#45AB92 #4591AB #455EAB

triadic

#4591AB #AB4591 #91AB45

tetradic

#4591AB #9245AB #AB5F45 #5EAB45

square

#4591AB #9245AB #AB5F45 #5EAB45

split-complementary

#4591AB #AB455E #AB9245

monochromatic

#224754 #336C7F #4591AB #6AACC3 #96C5D5

Accessibility & contrast

On white

3.56

#4591AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#4591AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4591AB

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4591AB	#FFFFFF	#000000	##000000
##4591AB	1.00	3.56	5.89	5.89
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#828EAC

Deuteranopia (green-blind)

#7383AB

Tritanopia (blue-blind)

#009999

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4591ab;
/* rgb */ color: rgb(69, 145, 171);
/* oklch */ color: oklch(61.9% 0.084 223.2);

Tailwind

colors: {
  custom: {
    50: '#82b1c4',
    500: '#4591ab',
    950: '#000000',
  },
}

SCSS

$custom: #4591ab;
$custom-light: #82b1c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4591ab",
  "rgb": {
    "r": 69,
    "g": 145,
    "b": 171
  },
  "hsl": {
    "h": 195.294,
    "s": 42.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.61902,
    "c": 0.0843,
    "h": 223.2
  },
  "luminance": 0.24456
}

Semantic roles & 50–950 ramp

primary

#4591AB

secondary

#C0998B

accent

#7556D2

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #4591AB

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

Preview Lab → · Contrast checker → · Palette generator →