#3A75BB#3A75BB

#3A75BB is a mid, vivid cyan. Relative luminance 0.172; OKLCH L 55.7% C 0.126 H 254.2°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3A75BB
RGB	rgb(58, 117, 187)
HSL	hsl(213, 53%, 48%)
HSV	hsv(213, 69%, 73%)
CMYK	cmyk(69%, 37.4%, 0%, 26.7%)
CIE-LAB	lab(48.52, 4.00, -42.46)
CIE-LCH	lch(48.52, 42.65, 275.39°)
OKLab	oklab(55.69% -0.0341 -0.1208)
OKLCH	oklch(55.69% 0.126 254.2)
XYZ	xyz(17.0726, 17.2082, 49.4258)
Luminance	0.1721 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A75BB #BB803A

analogous

#3AB5BB #3A75BB #3F3ABB

triadic

#3A75BB #BB3A75 #75BB3A

tetradic

#3A75BB #BB3AB5 #BB803A #3ABB3F

square

#3A75BB #BB3AB5 #BB803A #3ABB3F

split-complementary

#3A75BB #BB3F3A #B5BB3A

monochromatic

#1D3B5E #2C588C #3A75BB #6395CF #92B4DD

Accessibility & contrast

On white

4.73

#3A75BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#3A75BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A75BB

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A75BB	#FFFFFF	#000000	##FFFFFF
##3A75BB	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#557ABE

Deuteranopia (green-blind)

#436EBA

Tritanopia (blue-blind)

#00858F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3a75bb;
/* rgb */ color: rgb(58, 117, 187);
/* oklch */ color: oklch(55.7% 0.126 254.2);

Tailwind

colors: {
  custom: {
    50: '#7f9cd0',
    500: '#3a75bb',
    950: '#000000',
  },
}

SCSS

$custom: #3a75bb;
$custom-light: #7f9cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a75bb",
  "rgb": {
    "r": 58,
    "g": 117,
    "b": 187
  },
  "hsl": {
    "h": 212.558,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.55687,
    "c": 0.1255,
    "h": 254.2
  },
  "luminance": 0.1721
}

Semantic roles & 50–950 ramp

primary

#3A75BB

secondary

#C8AB88

accent

#9A4CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3A75BB

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

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