#3C5FBC#3C5FBC

#3C5FBC is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.0% C 0.152 H 265.7°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#3C5FBC
RGB	rgb(60, 95, 188)
HSL	hsl(224, 52%, 49%)
HSV	hsv(224, 68%, 74%)
CMYK	cmyk(68.1%, 49.5%, 0%, 26.3%)
CIE-LAB	lab(42.42, 18.56, -52.79)
CIE-LCH	lch(42.42, 55.96, 289.37°)
OKLab	oklab(51.02% -0.0113 -0.1514)
OKLCH	oklch(51.02% 0.152 265.7)
XYZ	xyz(15.0296, 12.7744, 49.2408)
Luminance	0.1278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C5FBC #BC993C

analogous

#3C9FBC #3C5FBC #593CBC

triadic

#3C5FBC #BC3C5F #5FBC3C

tetradic

#3C5FBC #BC3C9F #BC993C #3CBC59

square

#3C5FBC #BC3C9F #BC993C #3CBC59

split-complementary

#3C5FBC #BC593C #9FBC3C

monochromatic

#1E305F #2D488E #3C5FBC #6783CE #95A9DD

Accessibility & contrast

On white

5.91

#3C5FBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#3C5FBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C5FBC

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C5FBC	#FFFFFF	#000000	##FFFFFF
##3C5FBC	1.00	5.91	3.56	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B6ABF

Deuteranopia (green-blind)

#015FBA

Tritanopia (blue-blind)

#007584

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3c5fbc;
/* rgb */ color: rgb(60, 95, 188);
/* oklch */ color: oklch(51.0% 0.152 265.7);

Tailwind

colors: {
  custom: {
    50: '#808bd1',
    500: '#3c5fbc',
    950: '#000000',
  },
}

SCSS

$custom: #3c5fbc;
$custom-light: #808bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3c5fbc",
  "rgb": {
    "r": 60,
    "g": 95,
    "b": 188
  },
  "hsl": {
    "h": 223.594,
    "s": 51.613,
    "l": 48.627
  },
  "oklch": {
    "l": 0.51021,
    "c": 0.15183,
    "h": 265.7
  },
  "luminance": 0.12776
}

Semantic roles & 50–950 ramp

primary

#3C5FBC

secondary

#C9B88B

accent

#B44DDB

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3C5FBC

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

Preview Lab → · Contrast checker → · Palette generator →