#3C5BB2#3C5BB2

#3C5BB2 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.5% C 0.143 H 266.5°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#3C5BB2
RGB	rgb(60, 91, 178)
HSL	hsl(224, 50%, 47%)
HSV	hsv(224, 66%, 70%)
CMYK	cmyk(66.3%, 48.9%, 0%, 30.2%)
CIE-LAB	lab(40.66, 17.52, -49.76)
CIE-LCH	lch(40.66, 52.76, 289.39°)
OKLab	oklab(49.47% -0.0088 -0.1426)
OKLCH	oklch(49.47% 0.143 266.5)
XYZ	xyz(13.6377, 11.6559, 43.6420)
Luminance	0.1166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C5BB2 #B2933C

analogous

#3C96B2 #3C5BB2 #583CB2

triadic

#3C5BB2 #B23C5B #5BB23C

tetradic

#3C5BB2 #B23C96 #B2933C #3CB258

square

#3C5BB2 #B23C96 #B2933C #3CB258

split-complementary

#3C5BB2 #B2583C #96B23C

monochromatic

#1D2C56 #2D4484 #3C5BB2 #617DCA #8FA3D9

Accessibility & contrast

On white

6.30

#3C5BB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#3C5BB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C5BB2

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C5BB2	#FFFFFF	#000000	##FFFFFF
##3C5BB2	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D66B5

Deuteranopia (green-blind)

#105BB0

Tritanopia (blue-blind)

#006F7E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3c5bb2;
/* rgb */ color: rgb(60, 91, 178);
/* oklch */ color: oklch(49.5% 0.143 266.5);

Tailwind

colors: {
  custom: {
    50: '#7e88ca',
    500: '#3c5bb2',
    950: '#000000',
  },
}

SCSS

$custom: #3c5bb2;
$custom-light: #7e88ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3c5bb2",
  "rgb": {
    "r": 60,
    "g": 91,
    "b": 178
  },
  "hsl": {
    "h": 224.237,
    "s": 49.58,
    "l": 46.667
  },
  "oklch": {
    "l": 0.49473,
    "c": 0.14284,
    "h": 266.5
  },
  "luminance": 0.11657
}

Semantic roles & 50–950 ramp

primary

#3C5BB2

secondary

#C4B486

accent

#B54FD9

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3C5BB2

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

Preview Lab → · Contrast checker → · Palette generator →