#3C5BB3#3C5BB3

#3C5BB3 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.5% C 0.144 H 266.6°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#3C5BB3
RGB	rgb(60, 91, 179)
HSL	hsl(224, 50%, 47%)
HSV	hsv(224, 66%, 70%)
CMYK	cmyk(66.5%, 49.2%, 0%, 29.8%)
CIE-LAB	lab(40.73, 17.88, -50.25)
CIE-LCH	lch(40.73, 53.33, 289.59°)
OKLab	oklab(49.54% -0.0086 -0.144)
OKLCH	oklch(49.54% 0.144 266.6)
XYZ	xyz(13.7384, 11.6962, 44.1727)
Luminance	0.1170 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C5BB3 #B3943C

analogous

#3C97B3 #3C5BB3 #593CB3

triadic

#3C5BB3 #B33C5B #5BB33C

tetradic

#3C5BB3 #B33C97 #B3943C #3CB359

square

#3C5BB3 #B33C97 #B3943C #3CB359

split-complementary

#3C5BB3 #B3593C #97B33C

monochromatic

#1D2C57 #2D4485 #3C5BB3 #627DCA #90A3DA

Accessibility & contrast

On white

6.29

#3C5BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#3C5BB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C5BB3

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C5BB3	#FFFFFF	#000000	##FFFFFF
##3C5BB3	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)

#2B66B6

Deuteranopia (green-blind)

#0D5BB1

Tritanopia (blue-blind)

#006F7E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3c5bb3;
/* rgb */ color: rgb(60, 91, 179);
/* oklch */ color: oklch(49.5% 0.144 266.6);

Tailwind

colors: {
  custom: {
    50: '#7f88ca',
    500: '#3c5bb3',
    950: '#000000',
  },
}

SCSS

$custom: #3c5bb3;
$custom-light: #7f88ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3c5bb3",
  "rgb": {
    "r": 60,
    "g": 91,
    "b": 179
  },
  "hsl": {
    "h": 224.37,
    "s": 49.791,
    "l": 46.863
  },
  "oklch": {
    "l": 0.49543,
    "c": 0.14425,
    "h": 266.6
  },
  "luminance": 0.11698
}

Semantic roles & 50–950 ramp

primary

#3C5BB3

secondary

#C5B486

accent

#B54ED9

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3C5BB3

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

Preview Lab → · Contrast checker → · Palette generator →