#4F5DCB#4F5DCB

#4F5DCB is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.8% C 0.170 H 273.6°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#4F5DCB
RGB	rgb(79, 93, 203)
HSL	hsl(233, 54%, 55%)
HSV	hsv(233, 61%, 80%)
CMYK	cmyk(61.1%, 54.2%, 0%, 20.4%)
CIE-LAB	lab(43.95, 28.29, -58.96)
CIE-LCH	lch(43.95, 65.40, 295.63°)
OKLab	oklab(52.78% 0.0108 -0.1692)
OKLCH	oklch(52.78% 0.17 273.6)
XYZ	xyz(17.9147, 13.8013, 58.2082)
Luminance	0.1380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F5DCB #CBBD4F

analogous

#4F9BCB #4F5DCB #7F4FCB

triadic

#4F5DCB #CB4F5D #5DCB4F

tetradic

#4F5DCB #CB4F9B #CBBD4F #4FCB7F

square

#4F5DCB #CB4F9B #CBBD4F #4FCB7F

split-complementary

#4F5DCB #CB7F4F #9BCB4F

monochromatic

#242E7B #3240AA #4F5DCB #7E88D9 #ADB4E7

Accessibility & contrast

On white

5.58

#4F5DCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#4F5DCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F5DCB

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F5DCB	#FFFFFF	#000000	##FFFFFF
##4F5DCB	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F6DCF

Deuteranopia (green-blind)

#0063C9

Tritanopia (blue-blind)

#00778B

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4f5dcb;
/* rgb */ color: rgb(79, 93, 203);
/* oklch */ color: oklch(52.8% 0.170 273.6);

Tailwind

colors: {
  custom: {
    50: '#8c8adc',
    500: '#4f5dcb',
    950: '#000000',
  },
}

SCSS

$custom: #4f5dcb;
$custom-light: #8c8adc;
$custom-dark: #000000;

JSON

{
  "hex": "#4f5dcb",
  "rgb": {
    "r": 79,
    "g": 93,
    "b": 203
  },
  "hsl": {
    "h": 233.226,
    "s": 54.386,
    "l": 55.294
  },
  "oklch": {
    "l": 0.52775,
    "c": 0.16952,
    "h": 273.6
  },
  "luminance": 0.13803
}

Semantic roles & 50–950 ramp

primary

#4F5DCB

secondary

#D5CFA1

accent

#CD4ADE

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4F5DCB

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

Preview Lab → · Contrast checker → · Palette generator →