#3574B1#3574B1

#3574B1 is a mid, moderate cyan. Relative luminance 0.164; OKLCH L 54.7% C 0.115 H 250.1°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#3574B1
RGB	rgb(53, 116, 177)
HSL	hsl(210, 54%, 45%)
HSV	hsv(210, 70%, 69%)
CMYK	cmyk(70.1%, 34.5%, 0%, 30.6%)
CIE-LAB	lab(47.52, 0.23, -38.27)
CIE-LCH	lch(47.52, 38.27, 270.34°)
OKLab	oklab(54.68% -0.0392 -0.1086)
OKLCH	oklch(54.68% 0.115 250.1)
XYZ	xyz(15.6464, 16.4203, 43.9313)
Luminance	0.1642 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3574B1 #B17235

analogous

#35B1B0 #3574B1 #3536B1

triadic

#3574B1 #B13574 #74B135

tetradic

#3574B1 #B035B1 #B17235 #36B135

square

#3574B1 #B035B1 #B17235 #36B135

split-complementary

#3574B1 #B13536 #B1B035

monochromatic

#193653 #275582 #3574B1 #5793CD #86B1DB

Accessibility & contrast

On white

4.90

#3574B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#3574B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3574B1

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3574B1	#FFFFFF	#000000	##FFFFFF
##3574B1	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5977B4

Deuteranopia (green-blind)

#476BB0

Tritanopia (blue-blind)

#00828A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3574b1;
/* rgb */ color: rgb(53, 116, 177);
/* oklch */ color: oklch(54.7% 0.115 250.1);

Tailwind

colors: {
  custom: {
    50: '#7b9bc8',
    500: '#3574b1',
    950: '#000000',
  },
}

SCSS

$custom: #3574b1;
$custom-light: #7b9bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#3574b1",
  "rgb": {
    "r": 53,
    "g": 116,
    "b": 177
  },
  "hsl": {
    "h": 209.516,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.54682,
    "c": 0.11546,
    "h": 250.1
  },
  "luminance": 0.16422
}

Semantic roles & 50–950 ramp

primary

#3574B1

secondary

#C4A07D

accent

#934BDD

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3574B1

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

Preview Lab → · Contrast checker → · Palette generator →