#4F74CC#4F74CC

#4F74CC is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.5% C 0.142 H 265.1°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#4F74CC
RGB	rgb(79, 116, 204)
HSL	hsl(222, 55%, 55%)
HSV	hsv(222, 61%, 80%)
CMYK	cmyk(61.3%, 43.1%, 0%, 20%)
CIE-LAB	lab(50.11, 14.24, -49.63)
CIE-LCH	lch(50.11, 51.64, 286.01°)
OKLab	oklab(57.48% -0.0122 -0.1415)
OKLCH	oklch(57.48% 0.142 265.1)
XYZ	xyz(20.3652, 18.5109, 59.6148)
Luminance	0.1851 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F74CC #CCA74F

analogous

#4FB2CC #4F74CC #684FCC

triadic

#4F74CC #CC4F74 #74CC4F

tetradic

#4F74CC #CC4FB2 #CCA74F #4FCC68

square

#4F74CC #CC4FB2 #CCA74F #4FCC68

split-complementary

#4F74CC #CC684F #B2CC4F

monochromatic

#243E7D #3256AC #4F74CC #7E99DA #AEBFE7

Accessibility & contrast

On white

4.47

#4F74CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#4F74CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F74CC

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F74CC	#FFFFFF	#000000	##000000
##4F74CC	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C7DCF

Deuteranopia (green-blind)

#3972CA

Tritanopia (blue-blind)

#008896

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4f74cc;
/* rgb */ color: rgb(79, 116, 204);
/* oklch */ color: oklch(57.5% 0.142 265.1);

Tailwind

colors: {
  custom: {
    50: '#8b9bdc',
    500: '#4f74cc',
    950: '#000000',
  },
}

SCSS

$custom: #4f74cc;
$custom-light: #8b9bdc;
$custom-dark: #000000;

JSON

{
  "hex": "#4f74cc",
  "rgb": {
    "r": 79,
    "g": 116,
    "b": 204
  },
  "hsl": {
    "h": 222.24,
    "s": 55.066,
    "l": 55.49
  },
  "oklch": {
    "l": 0.57478,
    "c": 0.14199,
    "h": 265.1
  },
  "luminance": 0.18513
}

Semantic roles & 50–950 ramp

primary

#4F74CC

secondary

#D5C6A1

accent

#B249DE

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4F74CC

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

Preview Lab → · Contrast checker → · Palette generator →