#3A74BD#3A74BD

#3A74BD is a mid, vivid cyan. Relative luminance 0.171; OKLCH L 55.6% C 0.129 H 255.4°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3A74BD
RGB	rgb(58, 116, 189)
HSL	hsl(213, 53%, 48%)
HSV	hsv(213, 69%, 74%)
CMYK	cmyk(69.3%, 38.6%, 0%, 25.9%)
CIE-LAB	lab(48.34, 5.34, -43.91)
CIE-LCH	lch(48.34, 44.23, 276.93°)
OKLab	oklab(55.58% -0.0326 -0.125)
OKLCH	oklch(55.58% 0.129 255.4)
XYZ	xyz(17.1723, 17.0626, 50.5227)
Luminance	0.1706 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A74BD #BD833A

analogous

#3AB5BD #3A74BD #413ABD

triadic

#3A74BD #BD3A74 #74BD3A

tetradic

#3A74BD #BD3AB5 #BD833A #3ABD41

square

#3A74BD #BD3AB5 #BD833A #3ABD41

split-complementary

#3A74BD #BD413A #B5BD3A

monochromatic

#1D3B5F #2C578E #3A74BD #6594D0 #93B4DE

Accessibility & contrast

On white

4.76

#3A74BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#3A74BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A74BD

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A74BD	#FFFFFF	#000000	##FFFFFF
##3A74BD	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5379C0

Deuteranopia (green-blind)

#3F6DBC

Tritanopia (blue-blind)

#00858F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3a74bd;
/* rgb */ color: rgb(58, 116, 189);
/* oklch */ color: oklch(55.6% 0.129 255.4);

Tailwind

colors: {
  custom: {
    50: '#7f9bd1',
    500: '#3a74bd',
    950: '#000000',
  },
}

SCSS

$custom: #3a74bd;
$custom-light: #7f9bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a74bd",
  "rgb": {
    "r": 58,
    "g": 116,
    "b": 189
  },
  "hsl": {
    "h": 213.435,
    "s": 53.036,
    "l": 48.431
  },
  "oklch": {
    "l": 0.5558,
    "c": 0.12921,
    "h": 255.4
  },
  "luminance": 0.17064
}

Semantic roles & 50–950 ramp

primary

#3A74BD

secondary

#C9AD8A

accent

#9C4BDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3A74BD

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

Preview Lab → · Contrast checker → · Palette generator →