#4591B1#4591B1

#4591B1 is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.2% C 0.089 H 228.3°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#4591B1
RGB	rgb(69, 145, 177)
HSL	hsl(198, 44%, 48%)
HSV	hsv(198, 61%, 69%)
CMYK	cmyk(61%, 18.1%, 0%, 30.6%)
CIE-LAB	lab(56.77, -13.75, -23.81)
CIE-LCH	lch(56.77, 27.49, 239.99°)
OKLab	oklab(62.16% -0.0592 -0.0664)
OKLCH	oklch(62.16% 0.089 228.3)
XYZ	xyz(20.5124, 24.6883, 45.2708)
Luminance	0.2469 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4591B1 #B16545

analogous

#45B19B #4591B1 #455BB1

triadic

#4591B1 #B14591 #91B145

tetradic

#4591B1 #9B45B1 #B16545 #5BB145

square

#4591B1 #9B45B1 #B16545 #5BB145

split-complementary

#4591B1 #B1455B #B19B45

monochromatic

#234959 #346D85 #4591B1 #6DACC6 #99C5D7

Accessibility & contrast

On white

3.54

#4591B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.94

#4591B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4591B1

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4591B1	#FFFFFF	#000000	##000000
##4591B1	1.00	3.54	5.94	5.94
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.94	21.00	1.00	1.00
##000000	5.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808FB3

Deuteranopia (green-blind)

#7183B1

Tritanopia (blue-blind)

#009A9B

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4591b1;
/* rgb */ color: rgb(69, 145, 177);
/* oklch */ color: oklch(62.2% 0.089 228.3);

Tailwind

colors: {
  custom: {
    50: '#83b1c8',
    500: '#4591b1',
    950: '#000000',
  },
}

SCSS

$custom: #4591b1;
$custom-light: #83b1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4591b1",
  "rgb": {
    "r": 69,
    "g": 145,
    "b": 177
  },
  "hsl": {
    "h": 197.778,
    "s": 43.902,
    "l": 48.235
  },
  "oklch": {
    "l": 0.62162,
    "c": 0.08895,
    "h": 228.3
  },
  "luminance": 0.2469
}

Semantic roles & 50–950 ramp

primary

#4591B1

secondary

#C39E8E

accent

#7A54D4

background

#F8FAFC

surface

#F0F5F8

border

#CBCFD1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #4591B1

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

Preview Lab → · Contrast checker → · Palette generator →