#3A71CA#3A71CA

#3A71CA is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.7% C 0.150 H 259.6°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3A71CA
RGB	rgb(58, 113, 202)
HSL	hsl(217, 58%, 51%)
HSV	hsv(217, 71%, 79%)
CMYK	cmyk(71.3%, 44.1%, 0%, 20.8%)
CIE-LAB	lab(48.22, 11.92, -51.56)
CIE-LCH	lch(48.22, 52.92, 283.02°)
OKLab	oklab(55.73% -0.0271 -0.1475)
OKLCH	oklch(55.73% 0.15 259.6)
XYZ	xyz(18.3069, 16.9721, 58.1768)
Luminance	0.1697 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A71CA #CA933A

analogous

#3AB9CA #3A71CA #4B3ACA

triadic

#3A71CA #CA3A71 #71CA3A

tetradic

#3A71CA #CA3AB9 #CA933A #3ACA4B

square

#3A71CA #CA3AB9 #CA933A #3ACA4B

split-complementary

#3A71CA #CA4B3A #B9CA3A

monochromatic

#1D3B6C #2A569D #3A71CA #6A94D7 #9AB7E4

Accessibility & contrast

On white

4.78

#3A71CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#3A71CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A71CA

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A71CA	#FFFFFF	#000000	##FFFFFF
##3A71CA	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#457ACD

Deuteranopia (green-blind)

#2A6CC8

Tritanopia (blue-blind)

#008693

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3a71ca;
/* rgb */ color: rgb(58, 113, 202);
/* oklch */ color: oklch(55.7% 0.150 259.6);

Tailwind

colors: {
  custom: {
    50: '#8199db',
    500: '#3a71ca',
    950: '#000000',
  },
}

SCSS

$custom: #3a71ca;
$custom-light: #8199db;
$custom-dark: #000000;

JSON

{
  "hex": "#3a71ca",
  "rgb": {
    "r": 58,
    "g": 113,
    "b": 202
  },
  "hsl": {
    "h": 217.083,
    "s": 57.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.55732,
    "c": 0.14999,
    "h": 259.6
  },
  "luminance": 0.16974
}

Semantic roles & 50–950 ramp

primary

#3A71CA

secondary

#D0B790

accent

#A647E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3A71CA

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

Preview Lab → · Contrast checker → · Palette generator →