#4265CB#4265CB

#4265CB is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.6% C 0.163 H 266.6°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#4265CB
RGB	rgb(66, 101, 203)
HSL	hsl(225, 57%, 53%)
HSV	hsv(225, 67%, 80%)
CMYK	cmyk(67.5%, 50.2%, 0%, 20.4%)
CIE-LAB	lab(45.33, 21.07, -56.77)
CIE-LCH	lch(45.33, 60.55, 290.36°)
OKLab	oklab(53.63% -0.0096 -0.1629)
OKLCH	oklch(53.63% 0.163 266.6)
XYZ	xyz(17.6762, 14.7757, 58.4088)
Luminance	0.1478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4265CB #CBA842

analogous

#42A9CB #4265CB #6442CB

triadic

#4265CB #CB4265 #65CB42

tetradic

#4265CB #CB42A9 #CBA842 #42CB64

square

#4265CB #CB42A9 #CBA842 #42CB64

split-complementary

#4265CB #CB6442 #A9CB42

monochromatic

#203573 #2D4BA3 #4265CB #728CD8 #A2B3E5

Accessibility & contrast

On white

5.31

#4265CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#4265CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4265CB

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4265CB	#FFFFFF	#000000	##FFFFFF
##4265CB	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A72CF

Deuteranopia (green-blind)

#0065C9

Tritanopia (blue-blind)

#007D8E

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4265cb;
/* rgb */ color: rgb(66, 101, 203);
/* oklch */ color: oklch(53.6% 0.163 266.6);

Tailwind

colors: {
  custom: {
    50: '#8590db',
    500: '#4265cb',
    950: '#000000',
  },
}

SCSS

$custom: #4265cb;
$custom-light: #8590db;
$custom-dark: #000000;

JSON

{
  "hex": "#4265cb",
  "rgb": {
    "r": 66,
    "g": 101,
    "b": 203
  },
  "hsl": {
    "h": 224.672,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.53625,
    "c": 0.1632,
    "h": 266.6
  },
  "luminance": 0.14777
}

Semantic roles & 50–950 ramp

primary

#4265CB

secondary

#D2C397

accent

#B948E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4265CB

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

Preview Lab → · Contrast checker → · Palette generator →