#3A75BC#3A75BC

#3A75BC is a mid, vivid cyan. Relative luminance 0.173; OKLCH L 55.7% C 0.127 H 254.5°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#3A75BC
RGB	rgb(58, 117, 188)
HSL	hsl(213, 53%, 48%)
HSV	hsv(213, 69%, 74%)
CMYK	cmyk(69.1%, 37.8%, 0%, 26.3%)
CIE-LAB	lab(48.58, 4.36, -42.96)
CIE-LCH	lch(48.58, 43.18, 275.80°)
OKLab	oklab(55.75% -0.0339 -0.1222)
OKLCH	oklch(55.75% 0.127 254.5)
XYZ	xyz(17.1800, 17.2512, 49.9916)
Luminance	0.1725 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A75BC #BC813A

analogous

#3AB6BC #3A75BC #403ABC

triadic

#3A75BC #BC3A75 #75BC3A

tetradic

#3A75BC #BC3AB6 #BC813A #3ABC40

square

#3A75BC #BC3AB6 #BC813A #3ABC40

split-complementary

#3A75BC #BC403A #B6BC3A

monochromatic

#1D3B5E #2C588D #3A75BC #6495CF #93B5DE

Accessibility & contrast

On white

4.72

#3A75BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#3A75BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A75BC

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A75BC	#FFFFFF	#000000	##FFFFFF
##3A75BC	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#557ABF

Deuteranopia (green-blind)

#426EBB

Tritanopia (blue-blind)

#00868F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3a75bc;
/* rgb */ color: rgb(58, 117, 188);
/* oklch */ color: oklch(55.7% 0.127 254.5);

Tailwind

colors: {
  custom: {
    50: '#7f9cd0',
    500: '#3a75bc',
    950: '#000000',
  },
}

SCSS

$custom: #3a75bc;
$custom-light: #7f9cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a75bc",
  "rgb": {
    "r": 58,
    "g": 117,
    "b": 188
  },
  "hsl": {
    "h": 212.769,
    "s": 52.846,
    "l": 48.235
  },
  "oklch": {
    "l": 0.55746,
    "c": 0.12682,
    "h": 254.5
  },
  "luminance": 0.17253
}

Semantic roles & 50–950 ramp

primary

#3A75BC

secondary

#C9AC89

accent

#9B4CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3A75BC

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

Preview Lab → · Contrast checker → · Palette generator →