#3575B3#3575B3

#3575B3 is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 55.0% C 0.117 H 250.2°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3575B3
RGB	rgb(53, 117, 179)
HSL	hsl(210, 54%, 45%)
HSV	hsv(210, 70%, 70%)
CMYK	cmyk(70.4%, 34.6%, 0%, 29.8%)
CIE-LAB	lab(47.92, 0.34, -38.80)
CIE-LCH	lch(47.92, 38.80, 270.51°)
OKLab	oklab(55.03% -0.0397 -0.1101)
OKLCH	oklch(55.03% 0.117 250.2)
XYZ	xyz(15.9631, 16.7324, 45.0275)
Luminance	0.1673 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3575B3 #B37335

analogous

#35B3B2 #3575B3 #3536B3

triadic

#3575B3 #B33575 #75B335

tetradic

#3575B3 #B235B3 #B37335 #36B335

square

#3575B3 #B235B3 #B37335 #36B335

split-complementary

#3575B3 #B33536 #B3B235

monochromatic

#193755 #275684 #3575B3 #5894CD #87B2DB

Accessibility & contrast

On white

4.83

#3575B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#3575B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3575B3

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3575B3	#FFFFFF	#000000	##FFFFFF
##3575B3	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5978B6

Deuteranopia (green-blind)

#476CB2

Tritanopia (blue-blind)

#00848B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3575b3;
/* rgb */ color: rgb(53, 117, 179);
/* oklch */ color: oklch(55.0% 0.117 250.2);

Tailwind

colors: {
  custom: {
    50: '#7b9cca',
    500: '#3575b3',
    950: '#000000',
  },
}

SCSS

$custom: #3575b3;
$custom-light: #7b9cca;
$custom-dark: #000000;

JSON

{
  "hex": "#3575b3",
  "rgb": {
    "r": 53,
    "g": 117,
    "b": 179
  },
  "hsl": {
    "h": 209.524,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.55029,
    "c": 0.11705,
    "h": 250.2
  },
  "luminance": 0.16734
}

Semantic roles & 50–950 ramp

primary

#3575B3

secondary

#C5A17F

accent

#934ADE

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3575B3

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

Preview Lab → · Contrast checker → · Palette generator →