#3C5BB1#3C5BB1

#3C5BB1 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.4% C 0.141 H 266.4°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#3C5BB1
RGB	rgb(60, 91, 177)
HSL	hsl(224, 49%, 46%)
HSV	hsv(224, 66%, 69%)
CMYK	cmyk(66.1%, 48.6%, 0%, 30.6%)
CIE-LAB	lab(40.60, 17.16, -49.28)
CIE-LCH	lch(40.60, 52.18, 289.20°)
OKLab	oklab(49.4% -0.0089 -0.1411)
OKLCH	oklch(49.4% 0.141 266.4)
XYZ	xyz(13.5376, 11.6159, 43.1151)
Luminance	0.1162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C5BB1 #B1923C

analogous

#3C96B1 #3C5BB1 #583CB1

triadic

#3C5BB1 #B13C5B #5BB13C

tetradic

#3C5BB1 #B13C96 #B1923C #3CB158

square

#3C5BB1 #B13C96 #B1923C #3CB158

split-complementary

#3C5BB1 #B1583C #96B13C

monochromatic

#1D2C56 #2D4483 #3C5BB1 #617DC9 #8FA2D9

Accessibility & contrast

On white

6.32

#3C5BB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#3C5BB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C5BB1

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C5BB1	#FFFFFF	#000000	##FFFFFF
##3C5BB1	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E65B4

Deuteranopia (green-blind)

#135BAF

Tritanopia (blue-blind)

#006F7D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3c5bb1;
/* rgb */ color: rgb(60, 91, 177);
/* oklch */ color: oklch(49.4% 0.141 266.4);

Tailwind

colors: {
  custom: {
    50: '#7e88c9',
    500: '#3c5bb1',
    950: '#000000',
  },
}

SCSS

$custom: #3c5bb1;
$custom-light: #7e88c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3c5bb1",
  "rgb": {
    "r": 60,
    "g": 91,
    "b": 177
  },
  "hsl": {
    "h": 224.103,
    "s": 49.367,
    "l": 46.471
  },
  "oklch": {
    "l": 0.49402,
    "c": 0.14143,
    "h": 266.4
  },
  "luminance": 0.11617
}

Semantic roles & 50–950 ramp

primary

#3C5BB1

secondary

#C4B385

accent

#B44FD9

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3C5BB1

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

Preview Lab → · Contrast checker → · Palette generator →