#3C59BB#3C59BB

#3C59BB is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.7% C 0.158 H 267.8°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#3C59BB
RGB	rgb(60, 89, 187)
HSL	hsl(226, 51%, 48%)
HSV	hsv(226, 68%, 73%)
CMYK	cmyk(67.9%, 52.4%, 0%, 26.7%)
CIE-LAB	lab(40.72, 22.07, -54.95)
CIE-LCH	lch(40.72, 59.21, 291.89°)
OKLab	oklab(49.71% -0.0059 -0.1578)
OKLCH	oklch(49.71% 0.158 267.8)
XYZ	xyz(14.4024, 11.6919, 48.5018)
Luminance	0.1169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C59BB #BB9E3C

analogous

#3C98BB #3C59BB #5E3CBB

triadic

#3C59BB #BB3C59 #59BB3C

tetradic

#3C59BB #BB3C98 #BB9E3C #3CBB5E

square

#3C59BB #BB3C98 #BB9E3C #3CBB5E

split-complementary

#3C59BB #BB5E3C #98BB3C

monochromatic

#1E2D5E #2D438D #3C59BB #667ECE #95A5DD

Accessibility & contrast

On white

6.29

#3C59BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#3C59BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C59BB

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C59BB	#FFFFFF	#000000	##FFFFFF
##3C59BB	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A66BE

Deuteranopia (green-blind)

#005AB9

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3c59bb;
/* rgb */ color: rgb(60, 89, 187);
/* oklch */ color: oklch(49.7% 0.158 267.8);

Tailwind

colors: {
  custom: {
    50: '#8087d0',
    500: '#3c59bb',
    950: '#000000',
  },
}

SCSS

$custom: #3c59bb;
$custom-light: #8087d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3c59bb",
  "rgb": {
    "r": 60,
    "g": 89,
    "b": 187
  },
  "hsl": {
    "h": 226.299,
    "s": 51.417,
    "l": 48.431
  },
  "oklch": {
    "l": 0.4971,
    "c": 0.15796,
    "h": 267.8
  },
  "luminance": 0.11693
}

Semantic roles & 50–950 ramp

primary

#3C59BB

secondary

#C8BA8B

accent

#BA4DDB

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3C59BB

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

Preview Lab → · Contrast checker → · Palette generator →