#3574CF#3574CF

#3574CF is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.5% C 0.155 H 258.0°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3574CF
RGB	rgb(53, 116, 207)
HSL	hsl(215, 62%, 51%)
HSV	hsv(215, 74%, 81%)
CMYK	cmyk(74.4%, 44%, 0%, 18.8%)
CIE-LAB	lab(49.19, 11.21, -52.87)
CIE-LCH	lch(49.19, 54.05, 281.97°)
OKLab	oklab(56.53% -0.0323 -0.1514)
OKLCH	oklch(56.53% 0.155 258)
XYZ	xyz(18.9720, 17.7505, 61.4457)
Luminance	0.1775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3574CF #CF9035

analogous

#35C1CF #3574CF #4335CF

triadic

#3574CF #CF3574 #74CF35

tetradic

#3574CF #CF35C1 #CF9035 #35CF43

square

#3574CF #CF35C1 #CF9035 #35CF43

split-complementary

#3574CF #CF4335 #C1CF35

monochromatic

#1A3D6F #2658A1 #3574CF #6696DB #98B8E7

Accessibility & contrast

On white

4.61

#3574CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#3574CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3574CF

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3574CF	#FFFFFF	#000000	##FFFFFF
##3574CF	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#467CD2

Deuteranopia (green-blind)

#286ECD

Tritanopia (blue-blind)

#008997

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3574cf;
/* rgb */ color: rgb(53, 116, 207);
/* oklch */ color: oklch(56.5% 0.155 258.0);

Tailwind

colors: {
  custom: {
    50: '#819bde',
    500: '#3574cf',
    950: '#000000',
  },
}

SCSS

$custom: #3574cf;
$custom-light: #819bde;
$custom-dark: #000000;

JSON

{
  "hex": "#3574cf",
  "rgb": {
    "r": 53,
    "g": 116,
    "b": 207
  },
  "hsl": {
    "h": 215.455,
    "s": 61.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56526,
    "c": 0.15482,
    "h": 258
  },
  "luminance": 0.17753
}

Semantic roles & 50–950 ramp

primary

#3574CF

secondary

#D2B68E

accent

#A343E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3574CF

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

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