#4591B9#4591B9

#4591B9 is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.5% C 0.096 H 234.2°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#4591B9
RGB	rgb(69, 145, 185)
HSL	hsl(201, 46%, 50%)
HSV	hsv(201, 63%, 73%)
CMYK	cmyk(62.7%, 21.6%, 0%, 27.5%)
CIE-LAB	lab(57.09, -11.19, -27.86)
CIE-LCH	lch(57.09, 30.02, 248.12°)
OKLab	oklab(62.52% -0.0562 -0.078)
OKLCH	oklch(62.52% 0.096 234.2)
XYZ	xyz(21.3332, 25.0167, 49.5940)
Luminance	0.2502 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4591B9 #B96D45

analogous

#45B9A7 #4591B9 #4557B9

triadic

#4591B9 #B94591 #91B945

tetradic

#4591B9 #A745B9 #B96D45 #57B945

square

#4591B9 #A745B9 #B96D45 #57B945

split-complementary

#4591B9 #B94557 #B9A745

monochromatic

#244B60 #346E8C #4591B9 #71ABCA #9EC6DB

Accessibility & contrast

On white

3.50

#4591B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.00

#4591B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4591B9

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4591B9	#FFFFFF	#000000	##000000
##4591B9	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)

#7E90BB

Deuteranopia (green-blind)

#6E84B8

Tritanopia (blue-blind)

#009C9E

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4591b9;
/* rgb */ color: rgb(69, 145, 185);
/* oklch */ color: oklch(62.5% 0.096 234.2);

Tailwind

colors: {
  custom: {
    50: '#84b1ce',
    500: '#4591b9',
    950: '#000000',
  },
}

SCSS

$custom: #4591b9;
$custom-light: #84b1ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4591b9",
  "rgb": {
    "r": 69,
    "g": 145,
    "b": 185
  },
  "hsl": {
    "h": 200.69,
    "s": 45.669,
    "l": 49.804
  },
  "oklch": {
    "l": 0.62524,
    "c": 0.09617,
    "h": 234.2
  },
  "luminance": 0.25019
}

Semantic roles & 50–950 ramp

primary

#4591B9

secondary

#C7A593

accent

#8052D5

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #4591B9

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

Preview Lab → · Contrast checker → · Palette generator →