#4265BB#4265BB

#4265BB is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.5% C 0.141 H 265.2°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#4265BB
RGB	rgb(66, 101, 187)
HSL	hsl(223, 48%, 50%)
HSV	hsv(223, 65%, 73%)
CMYK	cmyk(64.7%, 46%, 0%, 26.7%)
CIE-LAB	lab(44.31, 15.36, -49.16)
CIE-LCH	lch(44.31, 51.51, 287.36°)
OKLab	oklab(52.52% -0.0117 -0.1405)
OKLCH	oklch(52.52% 0.141 265.2)
XYZ	xyz(15.8670, 14.0520, 48.8802)
Luminance	0.1405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4265BB #BB9842

analogous

#42A1BB #4265BB #5C42BB

triadic

#4265BB #BB4265 #65BB42

tetradic

#4265BB #BB42A1 #BB9842 #42BB5C

square

#4265BB #BB42A1 #BB9842 #42BB5C

split-complementary

#4265BB #BB5C42 #A1BB42

monochromatic

#223461 #324D8E #4265BB #6E89CC #9CAEDC

Accessibility & contrast

On white

5.51

#4265BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#4265BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4265BB

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4265BB	#FFFFFF	#000000	##FFFFFF
##4265BB	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)

#3B6FBE

Deuteranopia (green-blind)

#2564B9

Tritanopia (blue-blind)

#007987

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4265bb;
/* rgb */ color: rgb(66, 101, 187);
/* oklch */ color: oklch(52.5% 0.141 265.2);

Tailwind

colors: {
  custom: {
    50: '#8290d0',
    500: '#4265bb',
    950: '#000000',
  },
}

SCSS

$custom: #4265bb;
$custom-light: #8290d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4265bb",
  "rgb": {
    "r": 66,
    "g": 101,
    "b": 187
  },
  "hsl": {
    "h": 222.645,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.52521,
    "c": 0.14102,
    "h": 265.2
  },
  "luminance": 0.14053
}

Semantic roles & 50–950 ramp

primary

#4265BB

secondary

#C8B891

accent

#B050D7

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4265BB

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

Preview Lab → · Contrast checker → · Palette generator →