#4165BC#4165BC

#4165BC is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.5% C 0.143 H 265.0°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#4165BC
RGB	rgb(65, 101, 188)
HSL	hsl(222, 49%, 50%)
HSV	hsv(222, 65%, 74%)
CMYK	cmyk(65.4%, 46.3%, 0%, 26.3%)
CIE-LAB	lab(44.32, 15.55, -49.73)
CIE-LCH	lch(44.32, 52.10, 287.36°)
OKLab	oklab(52.54% -0.0125 -0.1422)
OKLCH	oklch(52.54% 0.143 265)
XYZ	xyz(15.9076, 14.0605, 49.4428)
Luminance	0.1406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4165BC #BC9841

analogous

#41A3BC #4165BC #5A41BC

triadic

#4165BC #BC4165 #65BC41

tetradic

#4165BC #BC41A3 #BC9841 #41BC5A

square

#4165BC #BC41A3 #BC9841 #41BC5A

split-complementary

#4165BC #BC5A41 #A3BC41

monochromatic

#223461 #314D8F #4165BC #6E89CD #9BAEDC

Accessibility & contrast

On white

5.51

#4165BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#4165BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4165BC

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4165BC	#FFFFFF	#000000	##FFFFFF
##4165BC	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6FBF

Deuteranopia (green-blind)

#2364BA

Tritanopia (blue-blind)

#007987

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4165bc;
/* rgb */ color: rgb(65, 101, 188);
/* oklch */ color: oklch(52.5% 0.143 265.0);

Tailwind

colors: {
  custom: {
    50: '#8290d1',
    500: '#4165bc',
    950: '#000000',
  },
}

SCSS

$custom: #4165bc;
$custom-light: #8290d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4165bc",
  "rgb": {
    "r": 65,
    "g": 101,
    "b": 188
  },
  "hsl": {
    "h": 222.439,
    "s": 48.617,
    "l": 49.608
  },
  "oklch": {
    "l": 0.52537,
    "c": 0.14276,
    "h": 265
  },
  "luminance": 0.14062
}

Semantic roles & 50–950 ramp

primary

#4165BC

secondary

#C9B890

accent

#B050D8

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4165BC

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

Preview Lab → · Contrast checker → · Palette generator →