#3D59BB#3D59BB

#3D59BB is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.8% C 0.158 H 268.2°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#3D59BB
RGB	rgb(61, 89, 187)
HSL	hsl(227, 51%, 49%)
HSV	hsv(227, 67%, 73%)
CMYK	cmyk(67.4%, 52.4%, 0%, 26.7%)
CIE-LAB	lab(40.77, 22.23, -54.86)
CIE-LCH	lch(40.77, 59.19, 292.06°)
OKLab	oklab(49.76% -0.005 -0.1576)
OKLCH	oklch(49.76% 0.158 268.2)
XYZ	xyz(14.4634, 11.7233, 48.5047)
Luminance	0.1172 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D59BB #BB9F3D

analogous

#3D98BB #3D59BB #603DBB

triadic

#3D59BB #BB3D59 #59BB3D

tetradic

#3D59BB #BB3D98 #BB9F3D #3DBB60

square

#3D59BB #BB3D98 #BB9F3D #3DBB60

split-complementary

#3D59BB #BB603D #98BB3D

monochromatic

#1F2D5F #2E438D #3D59BB #687ECE #96A5DD

Accessibility & contrast

On white

6.28

#3D59BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#3D59BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D59BB

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D59BB	#FFFFFF	#000000	##FFFFFF
##3D59BB	1.00	6.28	3.35	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A66BE

Deuteranopia (green-blind)

#005BB9

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3d59bb;
/* rgb */ color: rgb(61, 89, 187);
/* oklch */ color: oklch(49.8% 0.158 268.2);

Tailwind

colors: {
  custom: {
    50: '#8187d0',
    500: '#3d59bb',
    950: '#000000',
  },
}

SCSS

$custom: #3d59bb;
$custom-light: #8187d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d59bb",
  "rgb": {
    "r": 61,
    "g": 89,
    "b": 187
  },
  "hsl": {
    "h": 226.667,
    "s": 50.806,
    "l": 48.627
  },
  "oklch": {
    "l": 0.49762,
    "c": 0.15766,
    "h": 268.2
  },
  "luminance": 0.11725
}

Semantic roles & 50–950 ramp

primary

#3D59BB

secondary

#C8BB8C

accent

#BB4EDA

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3D59BB

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

Preview Lab → · Contrast checker → · Palette generator →