#3A74BC#3A74BC

#3A74BC is a mid, vivid cyan. Relative luminance 0.170; OKLCH L 55.5% C 0.128 H 255.1°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3A74BC
RGB	rgb(58, 116, 188)
HSL	hsl(213, 53%, 48%)
HSV	hsv(213, 69%, 74%)
CMYK	cmyk(69.1%, 38.3%, 0%, 26.3%)
CIE-LAB	lab(48.28, 4.98, -43.42)
CIE-LCH	lch(48.28, 43.70, 276.54°)
OKLab	oklab(55.52% -0.0329 -0.1236)
OKLCH	oklch(55.52% 0.128 255.1)
XYZ	xyz(17.0641, 17.0194, 49.9530)
Luminance	0.1702 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A74BC #BC823A

analogous

#3AB5BC #3A74BC #413ABC

triadic

#3A74BC #BC3A74 #74BC3A

tetradic

#3A74BC #BC3AB5 #BC823A #3ABC41

square

#3A74BC #BC3AB5 #BC823A #3ABC41

split-complementary

#3A74BC #BC413A #B5BC3A

monochromatic

#1D3A5E #2C578D #3A74BC #6494CF #93B4DE

Accessibility & contrast

On white

4.77

#3A74BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#3A74BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A74BC

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A74BC	#FFFFFF	#000000	##FFFFFF
##3A74BC	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5379BF

Deuteranopia (green-blind)

#406DBB

Tritanopia (blue-blind)

#00858F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3a74bc;
/* rgb */ color: rgb(58, 116, 188);
/* oklch */ color: oklch(55.5% 0.128 255.1);

Tailwind

colors: {
  custom: {
    50: '#7f9bd0',
    500: '#3a74bc',
    950: '#000000',
  },
}

SCSS

$custom: #3a74bc;
$custom-light: #7f9bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a74bc",
  "rgb": {
    "r": 58,
    "g": 116,
    "b": 188
  },
  "hsl": {
    "h": 213.231,
    "s": 52.846,
    "l": 48.235
  },
  "oklch": {
    "l": 0.55519,
    "c": 0.12788,
    "h": 255.1
  },
  "luminance": 0.17021
}

Semantic roles & 50–950 ramp

primary

#3A74BC

secondary

#C9AC89

accent

#9C4CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3A74BC

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

Preview Lab → · Contrast checker → · Palette generator →