#3C54BB#3C54BB

#3C54BB is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.7% C 0.164 H 269.5°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#3C54BB
RGB	rgb(60, 84, 187)
HSL	hsl(229, 51%, 48%)
HSV	hsv(229, 68%, 73%)
CMYK	cmyk(67.9%, 55.1%, 0%, 26.7%)
CIE-LAB	lab(39.39, 25.31, -57.10)
CIE-LCH	lch(39.39, 62.46, 293.90°)
OKLab	oklab(48.71% -0.0015 -0.1643)
OKLCH	oklch(48.71% 0.164 269.5)
XYZ	xyz(14.0004, 10.8878, 48.3678)
Luminance	0.1089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C54BB #BBA33C

analogous

#3C93BB #3C54BB #633CBB

triadic

#3C54BB #BB3C54 #54BB3C

tetradic

#3C54BB #BB3C93 #BBA33C #3CBB63

square

#3C54BB #BB3C93 #BBA33C #3CBB63

split-complementary

#3C54BB #BB633C #93BB3C

monochromatic

#1E2A5E #2D3F8D #3C54BB #667ACE #95A2DD

Accessibility & contrast

On white

6.61

#3C54BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#3C54BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C54BB

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C54BB	#FFFFFF	#000000	##FFFFFF
##3C54BB	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063BF

Deuteranopia (green-blind)

#0057B9

Tritanopia (blue-blind)

#006D7F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3c54bb;
/* rgb */ color: rgb(60, 84, 187);
/* oklch */ color: oklch(48.7% 0.164 269.5);

Tailwind

colors: {
  custom: {
    50: '#8183d0',
    500: '#3c54bb',
    950: '#000000',
  },
}

SCSS

$custom: #3c54bb;
$custom-light: #8183d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3c54bb",
  "rgb": {
    "r": 60,
    "g": 84,
    "b": 187
  },
  "hsl": {
    "h": 228.661,
    "s": 51.417,
    "l": 48.431
  },
  "oklch": {
    "l": 0.48706,
    "c": 0.16427,
    "h": 269.5
  },
  "luminance": 0.10889
}

Semantic roles & 50–950 ramp

primary

#3C54BB

secondary

#C8BD8B

accent

#C04DDB

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3C54BB

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

Preview Lab → · Contrast checker → · Palette generator →