#4F74BF#4F74BF

#4F74BF is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.7% C 0.124 H 263.2°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#4F74BF
RGB	rgb(79, 116, 191)
HSL	hsl(220, 47%, 53%)
HSV	hsv(220, 59%, 75%)
CMYK	cmyk(58.6%, 39.3%, 0%, 25.1%)
CIE-LAB	lab(49.39, 9.83, -43.33)
CIE-LCH	lch(49.39, 44.43, 282.79°)
OKLab	oklab(56.69% -0.0148 -0.123)
OKLCH	oklch(56.69% 0.124 263.2)
XYZ	xyz(18.8706, 17.9131, 51.7432)
Luminance	0.1792 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F74BF #BF9A4F

analogous

#4FACBF #4F74BF #624FBF

triadic

#4F74BF #BF4F74 #74BF4F

tetradic

#4F74BF #BF4FAC #BF9A4F #4FBF62

square

#4F74BF #BF4FAC #BF9A4F #4FBF62

split-complementary

#4F74BF #BF624F #ACBF4F

monochromatic

#273E6C #385899 #4F74BF #7C97CF #A9BBE0

Accessibility & contrast

On white

4.58

#4F74BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#4F74BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F74BF

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F74BF	#FFFFFF	#000000	##000000
##4F74BF	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#547BC2

Deuteranopia (green-blind)

#4571BD

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4f74bf;
/* rgb */ color: rgb(79, 116, 191);
/* oklch */ color: oklch(56.7% 0.124 263.2);

Tailwind

colors: {
  custom: {
    50: '#899bd3',
    500: '#4f74bf',
    950: '#000000',
  },
}

SCSS

$custom: #4f74bf;
$custom-light: #899bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#4f74bf",
  "rgb": {
    "r": 79,
    "g": 116,
    "b": 191
  },
  "hsl": {
    "h": 220.179,
    "s": 46.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.56689,
    "c": 0.12387,
    "h": 263.2
  },
  "luminance": 0.17915
}

Semantic roles & 50–950 ramp

primary

#4F74BF

secondary

#CDBD9D

accent

#AA51D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4F74BF

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

Preview Lab → · Contrast checker → · Palette generator →