#3C55BB#3C55BB

#3C55BB is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.9% C 0.163 H 269.2°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#3C55BB
RGB	rgb(60, 85, 187)
HSL	hsl(228, 51%, 48%)
HSV	hsv(228, 68%, 73%)
CMYK	cmyk(67.9%, 54.5%, 0%, 26.7%)
CIE-LAB	lab(39.65, 24.66, -56.67)
CIE-LCH	lch(39.65, 61.81, 293.52°)
OKLab	oklab(48.91% -0.0024 -0.163)
OKLCH	oklch(48.91% 0.163 269.2)
XYZ	xyz(14.0786, 11.0442, 48.3939)
Luminance	0.1105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C55BB #BBA23C

analogous

#3C94BB #3C55BB #623CBB

triadic

#3C55BB #BB3C55 #55BB3C

tetradic

#3C55BB #BB3C94 #BBA23C #3CBB62

square

#3C55BB #BB3C94 #BBA23C #3CBB62

split-complementary

#3C55BB #BB623C #94BB3C

monochromatic

#1E2B5E #2D408D #3C55BB #667BCE #95A3DD

Accessibility & contrast

On white

6.54

#3C55BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#3C55BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C55BB

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C55BB	#FFFFFF	#000000	##FFFFFF
##3C55BB	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0263BF

Deuteranopia (green-blind)

#0058B9

Tritanopia (blue-blind)

#006D7F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3c55bb;
/* rgb */ color: rgb(60, 85, 187);
/* oklch */ color: oklch(48.9% 0.163 269.2);

Tailwind

colors: {
  custom: {
    50: '#8084d0',
    500: '#3c55bb',
    950: '#000000',
  },
}

SCSS

$custom: #3c55bb;
$custom-light: #8084d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3c55bb",
  "rgb": {
    "r": 60,
    "g": 85,
    "b": 187
  },
  "hsl": {
    "h": 228.189,
    "s": 51.417,
    "l": 48.431
  },
  "oklch": {
    "l": 0.48905,
    "c": 0.16301,
    "h": 269.2
  },
  "luminance": 0.11046
}

Semantic roles & 50–950 ramp

primary

#3C55BB

secondary

#C8BC8B

accent

#BF4DDB

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3C55BB

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

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