#4155BC#4155BC

#4155BC is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.3% C 0.163 H 270.9°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#4155BC
RGB	rgb(65, 85, 188)
HSL	hsl(230, 49%, 50%)
HSV	hsv(230, 65%, 74%)
CMYK	cmyk(65.4%, 54.8%, 0%, 26.3%)
CIE-LAB	lab(40.00, 25.81, -56.69)
CIE-LCH	lch(40.00, 62.29, 294.48°)
OKLab	oklab(49.26% 0.0027 -0.1629)
OKLCH	oklch(49.26% 0.163 270.9)
XYZ	xyz(14.5025, 11.2504, 48.9745)
Luminance	0.1125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4155BC #BCA841

analogous

#4193BC #4155BC #6B41BC

triadic

#4155BC #BC4155 #55BC41

tetradic

#4155BC #BC4193 #BCA841 #41BC6B

square

#4155BC #BC4193 #BCA841 #41BC6B

split-complementary

#4155BC #BC6B41 #93BC41

monochromatic

#222C61 #31408F #4155BC #6E7DCD #9BA6DC

Accessibility & contrast

On white

6.46

#4155BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#4155BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4155BC

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4155BC	#FFFFFF	#000000	##FFFFFF
##4155BC	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0264C0

Deuteranopia (green-blind)

#0059BA

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4155bc;
/* rgb */ color: rgb(65, 85, 188);
/* oklch */ color: oklch(49.3% 0.163 270.9);

Tailwind

colors: {
  custom: {
    50: '#8384d1',
    500: '#4155bc',
    950: '#000000',
  },
}

SCSS

$custom: #4155bc;
$custom-light: #8384d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4155bc",
  "rgb": {
    "r": 65,
    "g": 85,
    "b": 188
  },
  "hsl": {
    "h": 230.244,
    "s": 48.617,
    "l": 49.608
  },
  "oklch": {
    "l": 0.49259,
    "c": 0.16294,
    "h": 270.9
  },
  "luminance": 0.11252
}

Semantic roles & 50–950 ramp

primary

#4155BC

secondary

#C9BF90

accent

#C250D8

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4155BC

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

Preview Lab → · Contrast checker → · Palette generator →