#3A66C2#3A66C2

#3A66C2 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.8% C 0.152 H 263.0°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#3A66C2
RGB	rgb(58, 102, 194)
HSL	hsl(221, 54%, 49%)
HSV	hsv(221, 70%, 76%)
CMYK	cmyk(70.1%, 47.4%, 0%, 23.9%)
CIE-LAB	lab(44.65, 15.96, -52.68)
CIE-LCH	lch(44.65, 55.05, 286.85°)
OKLab	oklab(52.83% -0.0185 -0.151)
OKLCH	oklch(52.83% 0.152 263)
XYZ	xyz(16.2304, 14.2956, 52.9324)
Luminance	0.1430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A66C2 #C2963A

analogous

#3AAAC2 #3A66C2 #523AC2

triadic

#3A66C2 #C23A66 #66C23A

tetradic

#3A66C2 #C23AAA #C2963A #3AC252

square

#3A66C2 #C23AAA #C2963A #3AC252

split-complementary

#3A66C2 #C2523A #AAC23A

monochromatic

#1E3464 #2C4D93 #3A66C2 #678AD2 #97AEE0

Accessibility & contrast

On white

5.44

#3A66C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#3A66C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A66C2

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A66C2	#FFFFFF	#000000	##FFFFFF
##3A66C2	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3570C5

Deuteranopia (green-blind)

#1464C0

Tritanopia (blue-blind)

#007C8A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3a66c2;
/* rgb */ color: rgb(58, 102, 194);
/* oklch */ color: oklch(52.8% 0.152 263.0);

Tailwind

colors: {
  custom: {
    50: '#8091d5',
    500: '#3a66c2',
    950: '#000000',
  },
}

SCSS

$custom: #3a66c2;
$custom-light: #8091d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3a66c2",
  "rgb": {
    "r": 58,
    "g": 102,
    "b": 194
  },
  "hsl": {
    "h": 220.588,
    "s": 53.968,
    "l": 49.412
  },
  "oklch": {
    "l": 0.52827,
    "c": 0.15215,
    "h": 263
  },
  "luminance": 0.14297
}

Semantic roles & 50–950 ramp

primary

#3A66C2

secondary

#CBB78D

accent

#AE4ADD

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3A66C2

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

Preview Lab → · Contrast checker → · Palette generator →