#4F5FDA#4F5FDA

#4F5FDA is a mid, vivid blue. Relative luminance 0.149; OKLCH L 54.3% C 0.187 H 272.9°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#4F5FDA
RGB	rgb(79, 95, 218)
HSL	hsl(233, 65%, 58%)
HSV	hsv(233, 64%, 85%)
CMYK	cmyk(63.8%, 56.4%, 0%, 14.5%)
CIE-LAB	lab(45.51, 32.12, -65.03)
CIE-LCH	lch(45.51, 72.53, 296.29°)
OKLab	oklab(54.28% 0.0095 -0.187)
OKLCH	oklch(54.28% 0.187 272.9)
XYZ	xyz(19.9673, 14.9069, 68.1411)
Luminance	0.1491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F5FDA #DACA4F

analogous

#4FA4DA #4F5FDA #854FDA

triadic

#4F5FDA #DA4F5F #5FDA4F

tetradic

#4F5FDA #DA4FA4 #DACA4F #4FDA85

square

#4F5FDA #DA4FA4 #DACA4F #4FDA85

split-complementary

#4F5FDA #DA854F #A4DA4F

monochromatic

#1E2B90 #293BC3 #4F5FDA #828DE5 #B4BBEF

Accessibility & contrast

On white

5.27

#4F5FDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#4F5FDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F5FDA

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F5FDA	#FFFFFF	#000000	##FFFFFF
##4F5FDA	1.00	5.27	3.98	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072DE

Deuteranopia (green-blind)

#0066D8

Tritanopia (blue-blind)

#007D93

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4f5fda;
/* rgb */ color: rgb(79, 95, 218);
/* oklch */ color: oklch(54.3% 0.187 272.9);

Tailwind

colors: {
  custom: {
    50: '#8e8ce6',
    500: '#4f5fda',
    950: '#000000',
  },
}

SCSS

$custom: #4f5fda;
$custom-light: #8e8ce6;
$custom-dark: #000000;

JSON

{
  "hex": "#4f5fda",
  "rgb": {
    "r": 79,
    "g": 95,
    "b": 218
  },
  "hsl": {
    "h": 233.094,
    "s": 65.258,
    "l": 58.235
  },
  "oklch": {
    "l": 0.54276,
    "c": 0.18724,
    "h": 272.9
  },
  "luminance": 0.14909
}

Semantic roles & 50–950 ramp

primary

#4F5FDA

secondary

#DED8A7

accent

#D540E8

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4F5FDA

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

Preview Lab → · Contrast checker → · Palette generator →