#3C5DCB#3C5DCB

#3C5DCB is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.7% C 0.175 H 267.3°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#3C5DCB
RGB	rgb(60, 93, 203)
HSL	hsl(226, 58%, 52%)
HSV	hsv(226, 70%, 80%)
CMYK	cmyk(70.4%, 54.2%, 0%, 20.4%)
CIE-LAB	lab(42.91, 25.29, -60.69)
CIE-LCH	lch(42.91, 65.75, 292.62°)
OKLab	oklab(51.72% -0.0081 -0.1747)
OKLCH	oklch(51.72% 0.175 267.3)
XYZ	xyz(16.5536, 13.0995, 58.1444)
Luminance	0.1310 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C5DCB #CBAA3C

analogous

#3CA5CB #3C5DCB #633CCB

triadic

#3C5DCB #CB3C5D #5DCB3C

tetradic

#3C5DCB #CB3CA5 #CBAA3C #3CCB63

square

#3C5DCB #CB3CA5 #CBAA3C #3CCB63

split-complementary

#3C5DCB #CB633C #A5CB3C

monochromatic

#1E306F #2A459F #3C5DCB #6C85D8 #9DADE5

Accessibility & contrast

On white

5.80

#3C5DCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#3C5DCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C5DCB

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C5DCB	#FFFFFF	#000000	##FFFFFF
##3C5DCB	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CCF

Deuteranopia (green-blind)

#005FC9

Tritanopia (blue-blind)

#00788B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3c5dcb;
/* rgb */ color: rgb(60, 93, 203);
/* oklch */ color: oklch(51.7% 0.175 267.3);

Tailwind

colors: {
  custom: {
    50: '#838adc',
    500: '#3c5dcb',
    950: '#000000',
  },
}

SCSS

$custom: #3c5dcb;
$custom-light: #838adc;
$custom-dark: #000000;

JSON

{
  "hex": "#3c5dcb",
  "rgb": {
    "r": 60,
    "g": 93,
    "b": 203
  },
  "hsl": {
    "h": 226.154,
    "s": 57.895,
    "l": 51.569
  },
  "oklch": {
    "l": 0.51721,
    "c": 0.17487,
    "h": 267.3
  },
  "luminance": 0.13101
}

Semantic roles & 50–950 ramp

primary

#3C5DCB

secondary

#D1C292

accent

#BD47E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3C5DCB

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

Preview Lab → · Contrast checker → · Palette generator →