#3A58CB#3A58CB

#3A58CB is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.6% C 0.182 H 268.1°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#3A58CB
RGB	rgb(58, 88, 203)
HSL	hsl(228, 58%, 51%)
HSV	hsv(228, 71%, 80%)
CMYK	cmyk(71.4%, 56.7%, 0%, 20.4%)
CIE-LAB	lab(41.52, 28.23, -62.96)
CIE-LCH	lch(41.52, 69.00, 294.15°)
OKLab	oklab(50.65% -0.0059 -0.1815)
OKLCH	oklch(50.65% 0.182 268.1)
XYZ	xyz(16.0104, 12.1891, 57.9973)
Luminance	0.1219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A58CB #CBAD3A

analogous

#3AA0CB #3A58CB #643ACB

triadic

#3A58CB #CB3A58 #58CB3A

tetradic

#3A58CB #CB3AA0 #CBAD3A #3ACB64

square

#3A58CB #CB3AA0 #CBAD3A #3ACB64

split-complementary

#3A58CB #CB643A #A0CB3A

monochromatic

#1D2E6E #2A429E #3A58CB #6A81D8 #9BAAE5

Accessibility & contrast

On white

6.11

#3A58CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#3A58CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A58CB

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A58CB	#FFFFFF	#000000	##FFFFFF
##3A58CB	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CF

Deuteranopia (green-blind)

#005BC9

Tritanopia (blue-blind)

#007489

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3a58cb;
/* rgb */ color: rgb(58, 88, 203);
/* oklch */ color: oklch(50.6% 0.182 268.1);

Tailwind

colors: {
  custom: {
    50: '#8386dc',
    500: '#3a58cb',
    950: '#000000',
  },
}

SCSS

$custom: #3a58cb;
$custom-light: #8386dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a58cb",
  "rgb": {
    "r": 58,
    "g": 88,
    "b": 203
  },
  "hsl": {
    "h": 227.586,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.50645,
    "c": 0.18157,
    "h": 268.1
  },
  "luminance": 0.12191
}

Semantic roles & 50–950 ramp

primary

#3A58CB

secondary

#D0C390

accent

#C146E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3A58CB

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

Preview Lab → · Contrast checker → · Palette generator →