#3D59C9#3D59C9

#3D59C9 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.8% C 0.177 H 268.7°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#3D59C9
RGB	rgb(61, 89, 201)
HSL	hsl(228, 56%, 51%)
HSV	hsv(228, 70%, 79%)
CMYK	cmyk(69.7%, 55.7%, 0%, 21.2%)
CIE-LAB	lab(41.77, 27.27, -61.38)
CIE-LCH	lch(41.77, 67.17, 293.95°)
OKLab	oklab(50.83% -0.004 -0.1768)
OKLCH	oklch(50.83% 0.177 268.7)
XYZ	xyz(16.0358, 12.3523, 56.7861)
Luminance	0.1235 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D59C9 #C9AD3D

analogous

#3D9FC9 #3D59C9 #673DC9

triadic

#3D59C9 #C93D59 #59C93D

tetradic

#3D59C9 #C93D9F #C9AD3D #3DC967

square

#3D59C9 #C93D9F #C9AD3D #3DC967

split-complementary

#3D59C9 #C9673D #9FC93D

monochromatic

#1E2E6D #2C429D #3D59C9 #6D82D6 #9DABE4

Accessibility & contrast

On white

6.05

#3D59C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#3D59C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D59C9

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D59C9	#FFFFFF	#000000	##FFFFFF
##3D59C9	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CD

Deuteranopia (green-blind)

#005CC7

Tritanopia (blue-blind)

#007488

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3d59c9;
/* rgb */ color: rgb(61, 89, 201);
/* oklch */ color: oklch(50.8% 0.177 268.7);

Tailwind

colors: {
  custom: {
    50: '#8487da',
    500: '#3d59c9',
    950: '#000000',
  },
}

SCSS

$custom: #3d59c9;
$custom-light: #8487da;
$custom-dark: #000000;

JSON

{
  "hex": "#3d59c9",
  "rgb": {
    "r": 61,
    "g": 89,
    "b": 201
  },
  "hsl": {
    "h": 228,
    "s": 56.452,
    "l": 51.373
  },
  "oklch": {
    "l": 0.5083,
    "c": 0.17681,
    "h": 268.7
  },
  "luminance": 0.12354
}

Semantic roles & 50–950 ramp

primary

#3D59C9

secondary

#D0C392

accent

#C148E0

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3D59C9

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

Preview Lab → · Contrast checker → · Palette generator →