#4F65CB#4F65CB

#4F65CB is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.3% C 0.159 H 271.1°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#4F65CB
RGB	rgb(79, 101, 203)
HSL	hsl(229, 54%, 55%)
HSV	hsv(229, 61%, 80%)
CMYK	cmyk(61.1%, 50.2%, 0%, 20.4%)
CIE-LAB	lab(46.02, 23.26, -55.63)
CIE-LCH	lch(46.02, 60.29, 292.69°)
OKLab	oklab(54.33% 0.0029 -0.1593)
OKLCH	oklch(54.33% 0.159 271.1)
XYZ	xyz(18.6540, 15.2799, 58.4546)
Luminance	0.1528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F65CB #CBB54F

analogous

#4FA3CB #4F65CB #774FCB

triadic

#4F65CB #CB4F65 #65CB4F

tetradic

#4F65CB #CB4FA3 #CBB54F #4FCB77

square

#4F65CB #CB4FA3 #CBB54F #4FCB77

split-complementary

#4F65CB #CB774F #A3CB4F

monochromatic

#24347B #3248AA #4F65CB #7E8ED9 #ADB8E7

Accessibility & contrast

On white

5.18

#4F65CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#4F65CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F65CB

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F65CB	#FFFFFF	#000000	##FFFFFF
##4F65CB	1.00	5.18	4.06	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D73CF

Deuteranopia (green-blind)

#0E68C9

Tritanopia (blue-blind)

#007C8E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #4f65cb;
/* rgb */ color: rgb(79, 101, 203);
/* oklch */ color: oklch(54.3% 0.159 271.1);

Tailwind

colors: {
  custom: {
    50: '#8c90db',
    500: '#4f65cb',
    950: '#000000',
  },
}

SCSS

$custom: #4f65cb;
$custom-light: #8c90db;
$custom-dark: #000000;

JSON

{
  "hex": "#4f65cb",
  "rgb": {
    "r": 79,
    "g": 101,
    "b": 203
  },
  "hsl": {
    "h": 229.355,
    "s": 54.386,
    "l": 55.294
  },
  "oklch": {
    "l": 0.54333,
    "c": 0.1593,
    "h": 271.1
  },
  "luminance": 0.15281
}

Semantic roles & 50–950 ramp

primary

#4F65CB

secondary

#D5CCA1

accent

#C44ADE

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4F65CB

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

Preview Lab → · Contrast checker → · Palette generator →