#3A55CC#3A55CC

#3A55CC is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.2% C 0.187 H 268.9°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#3A55CC
RGB	rgb(58, 85, 204)
HSL	hsl(229, 59%, 51%)
HSV	hsv(229, 72%, 80%)
CMYK	cmyk(71.6%, 58.3%, 0%, 20%)
CIE-LAB	lab(40.82, 30.51, -64.66)
CIE-LCH	lch(40.82, 71.50, 295.26°)
OKLab	oklab(50.15% -0.0036 -0.1865)
OKLCH	oklch(50.15% 0.187 268.9)
XYZ	xyz(15.8888, 11.7545, 58.5465)
Luminance	0.1176 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A55CC #CCB13A

analogous

#3A9ECC #3A55CC #683ACC

triadic

#3A55CC #CC3A55 #55CC3A

tetradic

#3A55CC #CC3A9E #CCB13A #3ACC68

square

#3A55CC #CC3A9E #CCB13A #3ACC68

split-complementary

#3A55CC #CC683A #9ECC3A

monochromatic

#1D2C6F #293FA0 #3A55CC #6B7FD9 #9BA9E5

Accessibility & contrast

On white

6.27

#3A55CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#3A55CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A55CC

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A55CC	#FFFFFF	#000000	##FFFFFF
##3A55CC	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D0

Deuteranopia (green-blind)

#005ACA

Tritanopia (blue-blind)

#007388

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3a55cc;
/* rgb */ color: rgb(58, 85, 204);
/* oklch */ color: oklch(50.2% 0.187 268.9);

Tailwind

colors: {
  custom: {
    50: '#8384dc',
    500: '#3a55cc',
    950: '#000000',
  },
}

SCSS

$custom: #3a55cc;
$custom-light: #8384dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a55cc",
  "rgb": {
    "r": 58,
    "g": 85,
    "b": 204
  },
  "hsl": {
    "h": 228.904,
    "s": 58.871,
    "l": 51.373
  },
  "oklch": {
    "l": 0.50152,
    "c": 0.18656,
    "h": 268.9
  },
  "luminance": 0.11756
}

Semantic roles & 50–950 ramp

primary

#3A55CC

secondary

#D1C591

accent

#C546E2

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3A55CC

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

Preview Lab → · Contrast checker → · Palette generator →