#4591CD#4591CD

#4591CD is a light, moderate cyan. Relative luminance 0.259; OKLCH L 63.5% C 0.118 H 245.1°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#4591CD
RGB	rgb(69, 145, 205)
HSL	hsl(206, 58%, 54%)
HSV	hsv(206, 66%, 80%)
CMYK	cmyk(66.3%, 29.3%, 0%, 19.6%)
CIE-LAB	lab(57.96, -4.56, -37.81)
CIE-LCH	lch(57.96, 38.08, 263.12°)
OKLab	oklab(63.5% -0.0496 -0.1067)
OKLCH	oklch(63.5% 0.118 245.1)
XYZ	xyz(23.5949, 25.9213, 61.5056)
Luminance	0.2592 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4591CD #CD8145

analogous

#45CDC5 #4591CD #454DCD

triadic

#4591CD #CD4591 #91CD45

tetradic

#4591CD #C545CD #CD8145 #4DCD45

square

#4591CD #C545CD #CD8145 #4DCD45

split-complementary

#4591CD #CD454D #CDC545

monochromatic

#205177 #2D72A8 #4591CD #75AEDA #A5CAE7

Accessibility & contrast

On white

3.40

#4591CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#4591CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4591CD

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4591CD	#FFFFFF	#000000	##000000
##4591CD	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7693D0

Deuteranopia (green-blind)

#6485CC

Tritanopia (blue-blind)

#009FA6

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4591cd;
/* rgb */ color: rgb(69, 145, 205);
/* oklch */ color: oklch(63.5% 0.118 245.1);

Tailwind

colors: {
  custom: {
    50: '#87b1dc',
    500: '#4591cd',
    950: '#000000',
  },
}

SCSS

$custom: #4591cd;
$custom-light: #87b1dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4591cd",
  "rgb": {
    "r": 69,
    "g": 145,
    "b": 205
  },
  "hsl": {
    "h": 206.471,
    "s": 57.627,
    "l": 53.725
  },
  "oklch": {
    "l": 0.63501,
    "c": 0.1177,
    "h": 245.1
  },
  "luminance": 0.25924
}

Semantic roles & 50–950 ramp

primary

#4591CD

secondary

#D4B39A

accent

#8B47E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4591CD

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

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