#4B65CB#4B65CB

#4B65CB is a mid, vivid blue. Relative luminance 0.151; OKLCH L 54.1% C 0.160 H 269.6°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#4B65CB
RGB	rgb(75, 101, 203)
HSL	hsl(228, 55%, 55%)
HSV	hsv(228, 63%, 80%)
CMYK	cmyk(63.1%, 50.2%, 0%, 20.4%)
CIE-LAB	lab(45.79, 22.55, -56.00)
CIE-LCH	lch(45.79, 60.37, 291.93°)
OKLab	oklab(54.1% -0.0011 -0.1605)
OKLCH	oklch(54.1% 0.16 269.6)
XYZ	xyz(18.3312, 15.1134, 58.4395)
Luminance	0.1512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B65CB #CBB14B

analogous

#4BA5CB #4B65CB #714BCB

triadic

#4B65CB #CB4B65 #65CB4B

tetradic

#4B65CB #CB4BA5 #CBB14B #4BCB71

square

#4B65CB #CB4BA5 #CBB14B #4BCB71

split-complementary

#4B65CB #CB714B #A5CB4B

monochromatic

#233479 #3149A8 #4B65CB #7A8ED9 #AAB6E6

Accessibility & contrast

On white

5.22

#4B65CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#4B65CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B65CB

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B65CB	#FFFFFF	#000000	##FFFFFF
##4B65CB	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C72CF

Deuteranopia (green-blind)

#0667C9

Tritanopia (blue-blind)

#007D8E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4b65cb;
/* rgb */ color: rgb(75, 101, 203);
/* oklch */ color: oklch(54.1% 0.160 269.6);

Tailwind

colors: {
  custom: {
    50: '#8a90db',
    500: '#4b65cb',
    950: '#000000',
  },
}

SCSS

$custom: #4b65cb;
$custom-light: #8a90db;
$custom-dark: #000000;

JSON

{
  "hex": "#4b65cb",
  "rgb": {
    "r": 75,
    "g": 101,
    "b": 203
  },
  "hsl": {
    "h": 227.813,
    "s": 55.172,
    "l": 54.51
  },
  "oklch": {
    "l": 0.54102,
    "c": 0.16046,
    "h": 269.6
  },
  "luminance": 0.15115
}

Semantic roles & 50–950 ramp

primary

#4B65CB

secondary

#D4C99E

accent

#C049DF

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4B65CB

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

Preview Lab → · Contrast checker → · Palette generator →