#3A7ADF#3A7ADF

#3A7ADF is a mid, vivid blue. Relative luminance 0.201; OKLCH L 59.1% C 0.168 H 259.3°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#3A7ADF
RGB	rgb(58, 122, 223)
HSL	hsl(217, 72%, 55%)
HSV	hsv(217, 74%, 87%)
CMYK	cmyk(74%, 45.3%, 0%, 12.5%)
CIE-LAB	lab(52.00, 13.98, -57.42)
CIE-LCH	lch(52.00, 59.10, 283.68°)
OKLab	oklab(59.05% -0.0311 -0.1646)
OKLCH	oklch(59.05% 0.168 259.3)
XYZ	xyz(22.0189, 20.1439, 72.5254)
Luminance	0.2015 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A7ADF #DF9F3A

analogous

#3ACDDF #3A7ADF #4C3ADF

triadic

#3A7ADF #DF3A7A #7ADF3A

tetradic

#3A7ADF #DF3ACD #DF9F3A #3ADF4C

square

#3A7ADF #DF3ACD #DF9F3A #3ADF4C

split-complementary

#3A7ADF #DF4C3A #CDDF3A

monochromatic

#164288 #1F5CBD #3A7ADF #6F9EE8 #A3C1F0

Accessibility & contrast

On white

4.18

#3A7ADF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#3A7ADF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7ADF

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A7ADF	#FFFFFF	#000000	##000000
##3A7ADF	1.00	4.18	5.03	5.03
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4584E3

Deuteranopia (green-blind)

#2075DD

Tritanopia (blue-blind)

#0092A2

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3a7adf;
/* rgb */ color: rgb(58, 122, 223);
/* oklch */ color: oklch(59.1% 0.168 259.3);

Tailwind

colors: {
  custom: {
    50: '#859fe9',
    500: '#3a7adf',
    950: '#000000',
  },
}

SCSS

$custom: #3a7adf;
$custom-light: #859fe9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a7adf",
  "rgb": {
    "r": 58,
    "g": 122,
    "b": 223
  },
  "hsl": {
    "h": 216.727,
    "s": 72.052,
    "l": 55.098
  },
  "oklch": {
    "l": 0.59051,
    "c": 0.16754,
    "h": 259.3
  },
  "luminance": 0.20146
}

Semantic roles & 50–950 ramp

primary

#3A7ADF

secondary

#DDC298

accent

#A839EF

background

#F8F9FE

surface

#F0F2FD

border

#CBCCD5

text

#0D0E16

muted

#7D7E84

Preview Lab

Preview with #3A7ADF

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

Preview Lab → · Contrast checker → · Palette generator →