#3A71C9#3A71C9

#3A71C9 is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.7% C 0.149 H 259.4°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#3A71C9
RGB	rgb(58, 113, 201)
HSL	hsl(217, 57%, 51%)
HSV	hsv(217, 71%, 79%)
CMYK	cmyk(71.1%, 43.8%, 0%, 21.2%)
CIE-LAB	lab(48.17, 11.56, -51.08)
CIE-LCH	lch(48.17, 52.37, 282.75°)
OKLab	oklab(55.67% -0.0273 -0.1461)
OKLCH	oklch(55.67% 0.149 259.4)
XYZ	xyz(18.1889, 16.9249, 57.5553)
Luminance	0.1693 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A71C9 #C9923A

analogous

#3AB8C9 #3A71C9 #4A3AC9

triadic

#3A71C9 #C93A71 #71C93A

tetradic

#3A71C9 #C93AB8 #C9923A #3AC94A

square

#3A71C9 #C93AB8 #C9923A #3AC94A

split-complementary

#3A71C9 #C94A3A #B8C93A

monochromatic

#1D3B6B #2B569B #3A71C9 #6A94D6 #9AB6E3

Accessibility & contrast

On white

4.79

#3A71C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#3A71C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A71C9

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A71C9	#FFFFFF	#000000	##FFFFFF
##3A71C9	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4679CC

Deuteranopia (green-blind)

#2B6CC7

Tritanopia (blue-blind)

#008693

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3a71c9;
/* rgb */ color: rgb(58, 113, 201);
/* oklch */ color: oklch(55.7% 0.149 259.4);

Tailwind

colors: {
  custom: {
    50: '#8199da',
    500: '#3a71c9',
    950: '#000000',
  },
}

SCSS

$custom: #3a71c9;
$custom-light: #8199da;
$custom-dark: #000000;

JSON

{
  "hex": "#3a71c9",
  "rgb": {
    "r": 58,
    "g": 113,
    "b": 201
  },
  "hsl": {
    "h": 216.923,
    "s": 56.972,
    "l": 50.784
  },
  "oklch": {
    "l": 0.55667,
    "c": 0.14864,
    "h": 259.4
  },
  "luminance": 0.16927
}

Semantic roles & 50–950 ramp

primary

#3A71C9

secondary

#CFB790

accent

#A648E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3A71C9

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

Preview Lab → · Contrast checker → · Palette generator →