#3A75B8#3A75B8

#3A75B8 is a mid, vivid cyan. Relative luminance 0.171; OKLCH L 55.5% C 0.122 H 253.3°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3A75B8
RGB	rgb(58, 117, 184)
HSL	hsl(212, 52%, 47%)
HSV	hsv(212, 68%, 72%)
CMYK	cmyk(68.5%, 36.4%, 0%, 27.8%)
CIE-LAB	lab(48.36, 2.93, -40.98)
CIE-LCH	lch(48.36, 41.09, 274.09°)
OKLab	oklab(55.51% -0.0349 -0.1164)
OKLCH	oklch(55.51% 0.122 253.3)
XYZ	xyz(16.7548, 17.0811, 47.7521)
Luminance	0.1708 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A75B8 #B87D3A

analogous

#3AB4B8 #3A75B8 #3E3AB8

triadic

#3A75B8 #B83A75 #75B83A

tetradic

#3A75B8 #B83AB4 #B87D3A #3AB83E

square

#3A75B8 #B83AB4 #B87D3A #3AB83E

split-complementary

#3A75B8 #B83E3A #B4B83A

monochromatic

#1D3A5B #2B5789 #3A75B8 #6294CD #90B4DC

Accessibility & contrast

On white

4.75

#3A75B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#3A75B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A75B8

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A75B8	#FFFFFF	#000000	##FFFFFF
##3A75B8	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5779BB

Deuteranopia (green-blind)

#456DB7

Tritanopia (blue-blind)

#00858E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3a75b8;
/* rgb */ color: rgb(58, 117, 184);
/* oklch */ color: oklch(55.5% 0.122 253.3);

Tailwind

colors: {
  custom: {
    50: '#7e9ccd',
    500: '#3a75b8',
    950: '#000000',
  },
}

SCSS

$custom: #3a75b8;
$custom-light: #7e9ccd;
$custom-dark: #000000;

JSON

{
  "hex": "#3a75b8",
  "rgb": {
    "r": 58,
    "g": 117,
    "b": 184
  },
  "hsl": {
    "h": 211.905,
    "s": 52.066,
    "l": 47.451
  },
  "oklch": {
    "l": 0.5551,
    "c": 0.12155,
    "h": 253.3
  },
  "luminance": 0.17083
}

Semantic roles & 50–950 ramp

primary

#3A75B8

secondary

#C7A987

accent

#984CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3A75B8

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

Preview Lab → · Contrast checker → · Palette generator →