#3A75B3#3A75B3

#3A75B3 is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 55.2% C 0.115 H 251.7°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3A75B3
RGB	rgb(58, 117, 179)
HSL	hsl(211, 51%, 46%)
HSV	hsv(211, 68%, 70%)
CMYK	cmyk(67.6%, 34.6%, 0%, 29.8%)
CIE-LAB	lab(48.10, 1.15, -38.50)
CIE-LCH	lch(48.10, 38.52, 271.71°)
OKLab	oklab(55.22% -0.0362 -0.1092)
OKLCH	oklch(55.22% 0.115 251.7)
XYZ	xyz(16.2399, 16.8751, 45.0404)
Luminance	0.1688 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A75B3 #B3783A

analogous

#3AB2B3 #3A75B3 #3C3AB3

triadic

#3A75B3 #B33A75 #75B33A

tetradic

#3A75B3 #B33AB2 #B3783A #3AB33C

square

#3A75B3 #B33AB2 #B3783A #3AB33C

split-complementary

#3A75B3 #B33C3A #B2B33A

monochromatic

#1C3957 #2B5785 #3A75B3 #5F94CB #8DB3DA

Accessibility & contrast

On white

4.80

#3A75B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#3A75B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A75B3

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A75B3	#FFFFFF	#000000	##FFFFFF
##3A75B3	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A78B6

Deuteranopia (green-blind)

#496DB2

Tritanopia (blue-blind)

#00838B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3a75b3;
/* rgb */ color: rgb(58, 117, 179);
/* oklch */ color: oklch(55.2% 0.115 251.7);

Tailwind

colors: {
  custom: {
    50: '#7d9cca',
    500: '#3a75b3',
    950: '#000000',
  },
}

SCSS

$custom: #3a75b3;
$custom-light: #7d9cca;
$custom-dark: #000000;

JSON

{
  "hex": "#3a75b3",
  "rgb": {
    "r": 58,
    "g": 117,
    "b": 179
  },
  "hsl": {
    "h": 210.744,
    "s": 51.055,
    "l": 46.471
  },
  "oklch": {
    "l": 0.55222,
    "c": 0.11503,
    "h": 251.7
  },
  "luminance": 0.16877
}

Semantic roles & 50–950 ramp

primary

#3A75B3

secondary

#C5A584

accent

#964DDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3A75B3

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

Preview Lab → · Contrast checker → · Palette generator →