#4F59BC#4F59BC

#4F59BC is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.9% C 0.154 H 275.2°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#4F59BC
RGB	rgb(79, 89, 188)
HSL	hsl(234, 45%, 52%)
HSV	hsv(234, 58%, 74%)
CMYK	cmyk(58%, 52.7%, 0%, 26.3%)
CIE-LAB	lab(41.90, 25.76, -53.57)
CIE-LCH	lch(41.90, 59.44, 295.68°)
OKLab	oklab(50.92% 0.0139 -0.1534)
OKLCH	oklch(50.92% 0.154 275.2)
XYZ	xyz(15.8710, 12.4367, 49.1314)
Luminance	0.1244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F59BC #BCB24F

analogous

#4F90BC #4F59BC #7B4FBC

triadic

#4F59BC #BC4F59 #59BC4F

tetradic

#4F59BC #BC4F90 #BCB24F #4FBC7B

square

#4F59BC #BC4F90 #BCB24F #4FBC7B

split-complementary

#4F59BC #BC7B4F #90BC4F

monochromatic

#282E69 #394195 #4F59BC #7B83CD #A8ADDE

Accessibility & contrast

On white

6.02

#4F59BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#4F59BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F59BC

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F59BC	#FFFFFF	#000000	##FFFFFF
##4F59BC	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F68BF

Deuteranopia (green-blind)

#005EBA

Tritanopia (blue-blind)

#027082

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4f59bc;
/* rgb */ color: rgb(79, 89, 188);
/* oklch */ color: oklch(50.9% 0.154 275.2);

Tailwind

colors: {
  custom: {
    50: '#8a87d1',
    500: '#4f59bc',
    950: '#000000',
  },
}

SCSS

$custom: #4f59bc;
$custom-light: #8a87d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f59bc",
  "rgb": {
    "r": 79,
    "g": 89,
    "b": 188
  },
  "hsl": {
    "h": 234.495,
    "s": 44.856,
    "l": 52.353
  },
  "oklch": {
    "l": 0.50916,
    "c": 0.15399,
    "h": 275.2
  },
  "luminance": 0.12438
}

Semantic roles & 50–950 ramp

primary

#4F59BC

secondary

#CBC79C

accent

#C953D5

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4F59BC

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

Preview Lab → · Contrast checker → · Palette generator →