#3575B1#3575B1

#3575B1 is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.9% C 0.115 H 249.4°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#3575B1
RGB	rgb(53, 117, 177)
HSL	hsl(209, 54%, 45%)
HSV	hsv(209, 70%, 69%)
CMYK	cmyk(70.1%, 33.9%, 0%, 30.6%)
CIE-LAB	lab(47.82, -0.38, -37.80)
CIE-LCH	lch(47.82, 37.80, 269.43°)
OKLab	oklab(54.92% -0.0403 -0.1072)
OKLCH	oklch(54.92% 0.115 249.4)
XYZ	xyz(15.7623, 16.6521, 43.9699)
Luminance	0.1665 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3575B1 #B17135

analogous

#35B1AF #3575B1 #3537B1

triadic

#3575B1 #B13575 #75B135

tetradic

#3575B1 #AF35B1 #B17135 #37B135

square

#3575B1 #AF35B1 #B17135 #37B135

split-complementary

#3575B1 #B13537 #B1AF35

monochromatic

#193753 #275682 #3575B1 #5794CD #86B2DB

Accessibility & contrast

On white

4.85

#3575B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#3575B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3575B1

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3575B1	#FFFFFF	#000000	##FFFFFF
##3575B1	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A78B4

Deuteranopia (green-blind)

#496CB0

Tritanopia (blue-blind)

#00838B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3575b1;
/* rgb */ color: rgb(53, 117, 177);
/* oklch */ color: oklch(54.9% 0.115 249.4);

Tailwind

colors: {
  custom: {
    50: '#7b9cc8',
    500: '#3575b1',
    950: '#000000',
  },
}

SCSS

$custom: #3575b1;
$custom-light: #7b9cc8;
$custom-dark: #000000;

JSON

{
  "hex": "#3575b1",
  "rgb": {
    "r": 53,
    "g": 117,
    "b": 177
  },
  "hsl": {
    "h": 209.032,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.54915,
    "c": 0.11451,
    "h": 249.4
  },
  "luminance": 0.16654
}

Semantic roles & 50–950 ramp

primary

#3575B1

secondary

#C4A07D

accent

#924BDD

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3575B1

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

Preview Lab → · Contrast checker → · Palette generator →