#3A71BF#3A71BF

#3A71BF is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.0% C 0.135 H 257.5°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#3A71BF
RGB	rgb(58, 113, 191)
HSL	hsl(215, 53%, 49%)
HSV	hsv(215, 70%, 75%)
CMYK	cmyk(69.6%, 40.8%, 0%, 25.1%)
CIE-LAB	lab(47.58, 7.92, -46.26)
CIE-LCH	lch(47.58, 46.93, 279.72°)
OKLab	oklab(55.03% -0.0293 -0.132)
OKLCH	oklch(55.03% 0.135 257.5)
XYZ	xyz(17.0506, 16.4696, 51.5605)
Luminance	0.1647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A71BF #BF883A

analogous

#3AB4BF #3A71BF #463ABF

triadic

#3A71BF #BF3A71 #71BF3A

tetradic

#3A71BF #BF3AB4 #BF883A #3ABF46

square

#3A71BF #BF3AB4 #BF883A #3ABF46

split-complementary

#3A71BF #BF463A #B4BF3A

monochromatic

#1D3961 #2C5590 #3A71BF #6692D0 #95B3DF

Accessibility & contrast

On white

4.89

#3A71BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#3A71BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A71BF

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A71BF	#FFFFFF	#000000	##FFFFFF
##3A71BF	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D78C2

Deuteranopia (green-blind)

#386BBD

Tritanopia (blue-blind)

#00838F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3a71bf;
/* rgb */ color: rgb(58, 113, 191);
/* oklch */ color: oklch(55.0% 0.135 257.5);

Tailwind

colors: {
  custom: {
    50: '#7f99d3',
    500: '#3a71bf',
    950: '#000000',
  },
}

SCSS

$custom: #3a71bf;
$custom-light: #7f99d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3a71bf",
  "rgb": {
    "r": 58,
    "g": 113,
    "b": 191
  },
  "hsl": {
    "h": 215.188,
    "s": 53.414,
    "l": 48.824
  },
  "oklch": {
    "l": 0.55029,
    "c": 0.13518,
    "h": 257.5
  },
  "luminance": 0.16471
}

Semantic roles & 50–950 ramp

primary

#3A71BF

secondary

#CAB08B

accent

#A14BDD

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3A71BF

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

Preview Lab → · Contrast checker → · Palette generator →