#3A70DB#3A70DB

#3A70DB is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.7% C 0.174 H 262.2°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3A70DB
RGB	rgb(58, 112, 219)
HSL	hsl(220, 69%, 54%)
HSV	hsv(220, 74%, 86%)
CMYK	cmyk(73.5%, 48.9%, 0%, 14.1%)
CIE-LAB	lab(49.01, 18.77, -59.98)
CIE-LCH	lch(49.01, 62.85, 287.38°)
OKLab	oklab(56.67% -0.0235 -0.1723)
OKLCH	oklch(56.67% 0.174 262.2)
XYZ	xyz(20.3207, 17.6001, 69.3303)
Luminance	0.1760 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A70DB #DBA53A

analogous

#3AC1DB #3A70DB #553ADB

triadic

#3A70DB #DB3A70 #70DB3A

tetradic

#3A70DB #DB3AC1 #DBA53A #3ADB55

square

#3A70DB #DB3AC1 #DBA53A #3ADB55

split-complementary

#3A70DB #DB553A #C1DB3A

monochromatic

#183C83 #2153B6 #3A70DB #6E96E4 #A1BBEE

Accessibility & contrast

On white

4.65

#3A70DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#3A70DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3A70DB

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A70DB	#FFFFFF	#000000	##FFFFFF
##3A70DB	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#327CDF

Deuteranopia (green-blind)

#006DD9

Tritanopia (blue-blind)

#00899B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3a70db;
/* rgb */ color: rgb(58, 112, 219);
/* oklch */ color: oklch(56.7% 0.174 262.2);

Tailwind

colors: {
  custom: {
    50: '#8598e7',
    500: '#3a70db',
    950: '#000000',
  },
}

SCSS

$custom: #3a70db;
$custom-light: #8598e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3a70db",
  "rgb": {
    "r": 58,
    "g": 112,
    "b": 219
  },
  "hsl": {
    "h": 219.876,
    "s": 69.099,
    "l": 54.314
  },
  "oklch": {
    "l": 0.56673,
    "c": 0.17392,
    "h": 262.2
  },
  "luminance": 0.17602
}

Semantic roles & 50–950 ramp

primary

#3A70DB

secondary

#DBC496

accent

#B13CEC

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0D16

muted

#7D7E84

Preview Lab

Preview with #3A70DB

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

Preview Lab → · Contrast checker → · Palette generator →