#4591BC#4591BC

#4591BC is a light, moderate cyan. Relative luminance 0.251; OKLCH L 62.7% C 0.099 H 236.2°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#4591BC
RGB	rgb(69, 145, 188)
HSL	hsl(202, 47%, 50%)
HSV	hsv(202, 63%, 74%)
CMYK	cmyk(63.3%, 22.9%, 0%, 26.3%)
CIE-LAB	lab(57.22, -10.21, -29.37)
CIE-LCH	lch(57.22, 31.10, 250.83°)
OKLab	oklab(62.66% -0.0552 -0.0824)
OKLCH	oklch(62.66% 0.099 236.2)
XYZ	xyz(21.6533, 25.1447, 51.2795)
Luminance	0.2515 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4591BC #BC7045

analogous

#45BCAC #4591BC #4555BC

triadic

#4591BC #BC4591 #91BC45

tetradic

#4591BC #AC45BC #BC7045 #55BC45

square

#4591BC #AC45BC #BC7045 #55BC45

split-complementary

#4591BC #BC4555 #BCAC45

monochromatic

#244C63 #346F90 #4591BC #72ACCC #9FC6DC

Accessibility & contrast

On white

3.48

#4591BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#4591BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4591BC

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4591BC	#FFFFFF	#000000	##000000
##4591BC	1.00	3.48	6.03	6.03
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.03	21.00	1.00	1.00
##000000	6.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D90BE

Deuteranopia (green-blind)

#6C84BB

Tritanopia (blue-blind)

#009C9F

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4591bc;
/* rgb */ color: rgb(69, 145, 188);
/* oklch */ color: oklch(62.7% 0.099 236.2);

Tailwind

colors: {
  custom: {
    50: '#84b1d0',
    500: '#4591bc',
    950: '#000000',
  },
}

SCSS

$custom: #4591bc;
$custom-light: #84b1d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4591bc",
  "rgb": {
    "r": 69,
    "g": 145,
    "b": 188
  },
  "hsl": {
    "h": 201.681,
    "s": 47.036,
    "l": 50.392
  },
  "oklch": {
    "l": 0.62664,
    "c": 0.09913,
    "h": 236.2
  },
  "luminance": 0.25147
}

Semantic roles & 50–950 ramp

primary

#4591BC

secondary

#C9A794

accent

#8151D7

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4591BC

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

Preview Lab → · Contrast checker → · Palette generator →