#3A75D4#3A75D4

#3A75D4 is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.3% C 0.159 H 259.5°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3A75D4
RGB	rgb(58, 117, 212)
HSL	hsl(217, 64%, 53%)
HSV	hsv(217, 73%, 83%)
CMYK	cmyk(72.6%, 44.8%, 0%, 16.9%)
CIE-LAB	lab(49.95, 13.07, -54.50)
CIE-LCH	lch(49.95, 56.05, 283.49°)
OKLab	oklab(57.25% -0.0288 -0.1561)
OKLCH	oklch(57.25% 0.159 259.5)
XYZ	xyz(19.9856, 18.3734, 64.7677)
Luminance	0.1838 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A75D4 #D4993A

analogous

#3AC2D4 #3A75D4 #4C3AD4

triadic

#3A75D4 #D43A75 #75D43A

tetradic

#3A75D4 #D43AC2 #D4993A #3AD44C

square

#3A75D4 #D43AC2 #D4993A #3AD44C

split-complementary

#3A75D4 #D44C3A #C2D43A

monochromatic

#1A3F79 #2559AB #3A75D4 #6C98DF #9EBBEA

Accessibility & contrast

On white

4.49

#3A75D4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#3A75D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A75D4

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A75D4	#FFFFFF	#000000	##000000
##3A75D4	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#457ED8

Deuteranopia (green-blind)

#2570D2

Tritanopia (blue-blind)

#008B9A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3a75d4;
/* rgb */ color: rgb(58, 117, 212);
/* oklch */ color: oklch(57.3% 0.159 259.5);

Tailwind

colors: {
  custom: {
    50: '#839ce2',
    500: '#3a75d4',
    950: '#000000',
  },
}

SCSS

$custom: #3a75d4;
$custom-light: #839ce2;
$custom-dark: #000000;

JSON

{
  "hex": "#3a75d4",
  "rgb": {
    "r": 58,
    "g": 117,
    "b": 212
  },
  "hsl": {
    "h": 217.013,
    "s": 64.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.57254,
    "c": 0.15875,
    "h": 259.5
  },
  "luminance": 0.18376
}

Semantic roles & 50–950 ramp

primary

#3A75D4

secondary

#D6BD94

accent

#A741E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A75D4

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

Preview Lab → · Contrast checker → · Palette generator →