#4F59D9#4F59D9

#4F59D9 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 53.1% C 0.193 H 274.3°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#4F59D9
RGB	rgb(79, 89, 217)
HSL	hsl(236, 64%, 58%)
HSV	hsv(236, 64%, 85%)
CMYK	cmyk(63.6%, 59%, 0%, 14.9%)
CIE-LAB	lab(43.97, 35.49, -66.96)
CIE-LCH	lch(43.97, 75.78, 297.93°)
OKLab	oklab(53.11% 0.0146 -0.1927)
OKLCH	oklch(53.11% 0.193 274.3)
XYZ	xyz(19.3171, 13.8151, 67.2808)
Luminance	0.1382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F59D9 #D9CF4F

analogous

#4F9ED9 #4F59D9 #8A4FD9

triadic

#4F59D9 #D94F59 #59D94F

tetradic

#4F59D9 #D94F9E #D9CF4F #4FD98A

square

#4F59D9 #D94F9E #D9CF4F #4FD98A

split-complementary

#4F59D9 #D98A4F #9ED94F

monochromatic

#1F278F #2A35C1 #4F59D9 #8188E4 #B4B8EF

Accessibility & contrast

On white

5.58

#4F59D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#4F59D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F59D9

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F59D9	#FFFFFF	#000000	##FFFFFF
##4F59D9	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)

#006EDD

Deuteranopia (green-blind)

#0062D6

Tritanopia (blue-blind)

#007890

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4f59d9;
/* rgb */ color: rgb(79, 89, 217);
/* oklch */ color: oklch(53.1% 0.193 274.3);

Tailwind

colors: {
  custom: {
    50: '#8f88e6',
    500: '#4f59d9',
    950: '#000000',
  },
}

SCSS

$custom: #4f59d9;
$custom-light: #8f88e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4f59d9",
  "rgb": {
    "r": 79,
    "g": 89,
    "b": 217
  },
  "hsl": {
    "h": 235.652,
    "s": 64.486,
    "l": 58.039
  },
  "oklch": {
    "l": 0.53109,
    "c": 0.19329,
    "h": 274.3
  },
  "luminance": 0.13817
}

Semantic roles & 50–950 ramp

primary

#4F59D9

secondary

#DDD9A6

accent

#DB40E7

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4F59D9

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

Preview Lab → · Contrast checker → · Palette generator →