#3A75B5#3A75B5

#3A75B5 is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 55.3% C 0.118 H 252.3°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3A75B5
RGB	rgb(58, 117, 181)
HSL	hsl(211, 51%, 47%)
HSV	hsv(211, 68%, 71%)
CMYK	cmyk(68%, 35.4%, 0%, 29%)
CIE-LAB	lab(48.21, 1.86, -39.50)
CIE-LCH	lch(48.21, 39.54, 272.69°)
OKLab	oklab(55.34% -0.0357 -0.1121)
OKLCH	oklch(55.34% 0.118 252.3)
XYZ	xyz(16.4436, 16.9566, 46.1135)
Luminance	0.1696 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A75B5 #B57A3A

analogous

#3AB2B5 #3A75B5 #3D3AB5

triadic

#3A75B5 #B53A75 #75B53A

tetradic

#3A75B5 #B53AB2 #B57A3A #3AB53D

square

#3A75B5 #B53AB2 #B57A3A #3AB53D

split-complementary

#3A75B5 #B53D3A #B2B53A

monochromatic

#1C3958 #2B5787 #3A75B5 #6094CC #8EB3DB

Accessibility & contrast

On white

4.78

#3A75B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#3A75B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A75B5

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A75B5	#FFFFFF	#000000	##FFFFFF
##3A75B5	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5979B8

Deuteranopia (green-blind)

#476DB4

Tritanopia (blue-blind)

#00848C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3a75b5;
/* rgb */ color: rgb(58, 117, 181);
/* oklch */ color: oklch(55.3% 0.118 252.3);

Tailwind

colors: {
  custom: {
    50: '#7e9ccb',
    500: '#3a75b5',
    950: '#000000',
  },
}

SCSS

$custom: #3a75b5;
$custom-light: #7e9ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a75b5",
  "rgb": {
    "r": 58,
    "g": 117,
    "b": 181
  },
  "hsl": {
    "h": 211.22,
    "s": 51.464,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55336,
    "c": 0.11763,
    "h": 252.3
  },
  "luminance": 0.16958
}

Semantic roles & 50–950 ramp

primary

#3A75B5

secondary

#C6A785

accent

#974DDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3A75B5

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

Preview Lab → · Contrast checker → · Palette generator →