#3C53BB#3C53BB

#3C53BB is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.5% C 0.166 H 269.8°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#3C53BB
RGB	rgb(60, 83, 187)
HSL	hsl(229, 51%, 48%)
HSV	hsv(229, 68%, 73%)
CMYK	cmyk(67.9%, 55.6%, 0%, 26.7%)
CIE-LAB	lab(39.13, 25.95, -57.53)
CIE-LCH	lch(39.13, 63.11, 294.28°)
OKLab	oklab(48.51% -0.0007 -0.1655)
OKLCH	oklch(48.51% 0.166 269.8)
XYZ	xyz(13.9233, 10.7337, 48.3421)
Luminance	0.1074 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C53BB #BBA43C

analogous

#3C92BB #3C53BB #643CBB

triadic

#3C53BB #BB3C53 #53BB3C

tetradic

#3C53BB #BB3C92 #BBA43C #3CBB64

square

#3C53BB #BB3C92 #BBA43C #3CBB64

split-complementary

#3C53BB #BB643C #92BB3C

monochromatic

#1E2A5E #2D3E8D #3C53BB #6679CE #95A2DD

Accessibility & contrast

On white

6.67

#3C53BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#3C53BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C53BB

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C53BB	#FFFFFF	#000000	##FFFFFF
##3C53BB	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BF

Deuteranopia (green-blind)

#0057B9

Tritanopia (blue-blind)

#006C7F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3c53bb;
/* rgb */ color: rgb(60, 83, 187);
/* oklch */ color: oklch(48.5% 0.166 269.8);

Tailwind

colors: {
  custom: {
    50: '#8183d0',
    500: '#3c53bb',
    950: '#000000',
  },
}

SCSS

$custom: #3c53bb;
$custom-light: #8183d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3c53bb",
  "rgb": {
    "r": 60,
    "g": 83,
    "b": 187
  },
  "hsl": {
    "h": 229.134,
    "s": 51.417,
    "l": 48.431
  },
  "oklch": {
    "l": 0.48509,
    "c": 0.16552,
    "h": 269.8
  },
  "luminance": 0.10735
}

Semantic roles & 50–950 ramp

primary

#3C53BB

secondary

#C8BD8B

accent

#C14DDB

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3C53BB

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

Preview Lab → · Contrast checker → · Palette generator →