#3D59CC#3D59CC

#3D59CC is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.1% C 0.181 H 268.8°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#3D59CC
RGB	rgb(61, 89, 204)
HSL	hsl(228, 58%, 52%)
HSV	hsv(228, 70%, 80%)
CMYK	cmyk(70.1%, 56.4%, 0%, 20%)
CIE-LAB	lab(41.99, 28.35, -62.76)
CIE-LCH	lch(41.99, 68.86, 294.31°)
OKLab	oklab(51.07% -0.0039 -0.1808)
OKLCH	oklch(51.07% 0.181 268.8)
XYZ	xyz(16.3922, 12.4948, 58.6629)
Luminance	0.1250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D59CC #CCB03D

analogous

#3DA0CC #3D59CC #693DCC

triadic

#3D59CC #CC3D59 #59CC3D

tetradic

#3D59CC #CC3DA0 #CCB03D #3DCC69

square

#3D59CC #CC3DA0 #CCB03D #3DCC69

split-complementary

#3D59CC #CC693D #A0CC3D

monochromatic

#1E2E71 #2A42A1 #3D59CC #6D82D9 #9EACE5

Accessibility & contrast

On white

6.00

#3D59CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#3D59CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D59CC

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D59CC	#FFFFFF	#000000	##FFFFFF
##3D59CC	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD0

Deuteranopia (green-blind)

#005DCA

Tritanopia (blue-blind)

#00758A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3d59cc;
/* rgb */ color: rgb(61, 89, 204);
/* oklch */ color: oklch(51.1% 0.181 268.8);

Tailwind

colors: {
  custom: {
    50: '#8487dc',
    500: '#3d59cc',
    950: '#000000',
  },
}

SCSS

$custom: #3d59cc;
$custom-light: #8487dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3d59cc",
  "rgb": {
    "r": 61,
    "g": 89,
    "b": 204
  },
  "hsl": {
    "h": 228.252,
    "s": 58.367,
    "l": 51.961
  },
  "oklch": {
    "l": 0.51066,
    "c": 0.18084,
    "h": 268.8
  },
  "luminance": 0.12496
}

Semantic roles & 50–950 ramp

primary

#3D59CC

secondary

#D2C593

accent

#C346E2

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3D59CC

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

Preview Lab → · Contrast checker → · Palette generator →