#3A75B9#3A75B9

#3A75B9 is a mid, vivid cyan. Relative luminance 0.171; OKLCH L 55.6% C 0.123 H 253.6°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3A75B9
RGB	rgb(58, 117, 185)
HSL	hsl(212, 52%, 48%)
HSV	hsv(212, 69%, 73%)
CMYK	cmyk(68.6%, 36.8%, 0%, 27.5%)
CIE-LAB	lab(48.41, 3.29, -41.48)
CIE-LCH	lch(48.41, 41.61, 274.53°)
OKLab	oklab(55.57% -0.0346 -0.1179)
OKLCH	oklch(55.57% 0.123 253.6)
XYZ	xyz(16.8600, 17.1231, 48.3061)
Luminance	0.1713 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A75B9 #B97E3A

analogous

#3AB4B9 #3A75B9 #3F3AB9

triadic

#3A75B9 #B93A75 #75B93A

tetradic

#3A75B9 #B93AB4 #B97E3A #3AB93F

square

#3A75B9 #B93AB4 #B97E3A #3AB93F

split-complementary

#3A75B9 #B93F3A #B4B93A

monochromatic

#1D3A5C #2B588A #3A75B9 #6294CE #91B4DC

Accessibility & contrast

On white

4.75

#3A75B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#3A75B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A75B9

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A75B9	#FFFFFF	#000000	##FFFFFF
##3A75B9	1.00	4.75	4.43	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5779BC

Deuteranopia (green-blind)

#446EB8

Tritanopia (blue-blind)

#00858E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3a75b9;
/* rgb */ color: rgb(58, 117, 185);
/* oklch */ color: oklch(55.6% 0.123 253.6);

Tailwind

colors: {
  custom: {
    50: '#7e9cce',
    500: '#3a75b9',
    950: '#000000',
  },
}

SCSS

$custom: #3a75b9;
$custom-light: #7e9cce;
$custom-dark: #000000;

JSON

{
  "hex": "#3a75b9",
  "rgb": {
    "r": 58,
    "g": 117,
    "b": 185
  },
  "hsl": {
    "h": 212.126,
    "s": 52.263,
    "l": 47.647
  },
  "oklch": {
    "l": 0.55569,
    "c": 0.12287,
    "h": 253.6
  },
  "luminance": 0.17125
}

Semantic roles & 50–950 ramp

primary

#3A75B9

secondary

#C7AA87

accent

#994CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3A75B9

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

Preview Lab → · Contrast checker → · Palette generator →