#3A4DD3#3A4DD3

#3A4DD3 is a mid, highly saturated blue. Relative luminance 0.109; OKLCH L 49.3% C 0.205 H 270.5°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#3A4DD3
RGB	rgb(58, 77, 211)
HSL	hsl(233, 63%, 53%)
HSV	hsv(233, 73%, 83%)
CMYK	cmyk(72.5%, 63.5%, 0%, 17.3%)
CIE-LAB	lab(39.43, 38.05, -70.98)
CIE-LCH	lch(39.43, 80.53, 298.19°)
OKLab	oklab(49.3% 0.0018 -0.2051)
OKLCH	oklch(49.3% 0.205 270.5)
XYZ	xyz(16.1527, 10.9088, 62.8697)
Luminance	0.1091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4DD3 #D3C03A

analogous

#3A99D3 #3A4DD3 #733AD3

triadic

#3A4DD3 #D33A4D #4DD33A

tetradic

#3A4DD3 #D33A99 #D3C03A #3AD373

square

#3A4DD3 #D33A99 #D3C03A #3AD373

split-complementary

#3A4DD3 #D3733A #99D33A

monochromatic

#1B2678 #2636AA #3A4DD3 #6C7ADE #9EA7E9

Accessibility & contrast

On white

6.60

#3A4DD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#3A4DD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A4DD3

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4DD3	#FFFFFF	#000000	##FFFFFF
##3A4DD3	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064D7

Deuteranopia (green-blind)

#0056D0

Tritanopia (blue-blind)

#007089

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3a4dd3;
/* rgb */ color: rgb(58, 77, 211);
/* oklch */ color: oklch(49.3% 0.205 270.5);

Tailwind

colors: {
  custom: {
    50: '#857fe2',
    500: '#3a4dd3',
    950: '#000000',
  },
}

SCSS

$custom: #3a4dd3;
$custom-light: #857fe2;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4dd3",
  "rgb": {
    "r": 58,
    "g": 77,
    "b": 211
  },
  "hsl": {
    "h": 232.549,
    "s": 63.485,
    "l": 52.745
  },
  "oklch": {
    "l": 0.49295,
    "c": 0.20514,
    "h": 270.5
  },
  "luminance": 0.1091
}

Semantic roles & 50–950 ramp

primary

#3A4DD3

secondary

#D6CD93

accent

#D241E7

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A15

muted

#7E7C84

Preview Lab

Preview with #3A4DD3

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

Preview Lab → · Contrast checker → · Palette generator →