#4591B8#4591B8

#4591B8 is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.5% C 0.095 H 233.5°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#4591B8
RGB	rgb(69, 145, 184)
HSL	hsl(200, 45%, 50%)
HSV	hsv(200, 63%, 72%)
CMYK	cmyk(62.5%, 21.2%, 0%, 27.8%)
CIE-LAB	lab(57.05, -11.51, -27.36)
CIE-LCH	lch(57.05, 29.68, 247.18°)
OKLab	oklab(62.48% -0.0566 -0.0766)
OKLCH	oklch(62.48% 0.095 233.5)
XYZ	xyz(21.2280, 24.9746, 49.0400)
Luminance	0.2498 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4591B8 #B86C45

analogous

#45B8A6 #4591B8 #4557B8

triadic

#4591B8 #B84591 #91B845

tetradic

#4591B8 #A645B8 #B86C45 #57B845

square

#4591B8 #A645B8 #B86C45 #57B845

split-complementary

#4591B8 #B84557 #B8A645

monochromatic

#244B5F #346E8B #4591B8 #71ABCA #9DC6DA

Accessibility & contrast

On white

3.50

#4591B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.00

#4591B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4591B8

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4591B8	#FFFFFF	#000000	##000000
##4591B8	1.00	3.50	6.00	6.00
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.00	21.00	1.00	1.00
##000000	6.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E90BA

Deuteranopia (green-blind)

#6E84B7

Tritanopia (blue-blind)

#009B9E

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4591b8;
/* rgb */ color: rgb(69, 145, 184);
/* oklch */ color: oklch(62.5% 0.095 233.5);

Tailwind

colors: {
  custom: {
    50: '#84b1cd',
    500: '#4591b8',
    950: '#000000',
  },
}

SCSS

$custom: #4591b8;
$custom-light: #84b1cd;
$custom-dark: #000000;

JSON

{
  "hex": "#4591b8",
  "rgb": {
    "r": 69,
    "g": 145,
    "b": 184
  },
  "hsl": {
    "h": 200.348,
    "s": 45.455,
    "l": 49.608
  },
  "oklch": {
    "l": 0.62478,
    "c": 0.0952,
    "h": 233.5
  },
  "luminance": 0.24977
}

Semantic roles & 50–950 ramp

primary

#4591B8

secondary

#C7A492

accent

#7F53D5

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #4591B8

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

Preview Lab → · Contrast checker → · Palette generator →