#3D58CB#3D58CB

#3D58CB is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.8% C 0.181 H 269.0°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#3D58CB
RGB	rgb(61, 88, 203)
HSL	hsl(229, 58%, 52%)
HSV	hsv(229, 70%, 80%)
CMYK	cmyk(70%, 56.7%, 0%, 20.4%)
CIE-LAB	lab(41.66, 28.63, -62.72)
CIE-LCH	lch(41.66, 68.94, 294.54°)
OKLab	oklab(50.79% -0.0032 -0.1807)
OKLCH	oklch(50.79% 0.181 269)
XYZ	xyz(16.1900, 12.2817, 58.0057)
Luminance	0.1228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D58CB #CBB03D

analogous

#3D9FCB #3D58CB #693DCB

triadic

#3D58CB #CB3D58 #58CB3D

tetradic

#3D58CB #CB3D9F #CBB03D #3DCB69

square

#3D58CB #CB3D9F #CBB03D #3DCB69

split-complementary

#3D58CB #CB693D #9FCB3D

monochromatic

#1E2D70 #2B41A0 #3D58CB #6D82D8 #9EABE5

Accessibility & contrast

On white

6.08

#3D58CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#3D58CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D58CB

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D58CB	#FFFFFF	#000000	##FFFFFF
##3D58CB	1.00	6.08	3.46	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CF

Deuteranopia (green-blind)

#005CC9

Tritanopia (blue-blind)

#007489

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3d58cb;
/* rgb */ color: rgb(61, 88, 203);
/* oklch */ color: oklch(50.8% 0.181 269.0);

Tailwind

colors: {
  custom: {
    50: '#8486dc',
    500: '#3d58cb',
    950: '#000000',
  },
}

SCSS

$custom: #3d58cb;
$custom-light: #8486dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3d58cb",
  "rgb": {
    "r": 61,
    "g": 88,
    "b": 203
  },
  "hsl": {
    "h": 228.592,
    "s": 57.724,
    "l": 51.765
  },
  "oklch": {
    "l": 0.50794,
    "c": 0.18073,
    "h": 269
  },
  "luminance": 0.12283
}

Semantic roles & 50–950 ramp

primary

#3D58CB

secondary

#D1C593

accent

#C447E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3D58CB

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

Preview Lab → · Contrast checker → · Palette generator →