#4B74CB#4B74CB

#4B74CB is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.2% C 0.142 H 263.5°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#4B74CB
RGB	rgb(75, 116, 203)
HSL	hsl(221, 55%, 55%)
HSV	hsv(221, 63%, 80%)
CMYK	cmyk(63.1%, 42.9%, 0%, 20.4%)
CIE-LAB	lab(49.85, 13.16, -49.48)
CIE-LCH	lch(49.85, 51.20, 284.89°)
OKLab	oklab(57.21% -0.016 -0.1411)
OKLCH	oklch(57.21% 0.142 263.5)
XYZ	xyz(19.9228, 18.2966, 58.9700)
Luminance	0.1830 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B74CB #CBA24B

analogous

#4BB4CB #4B74CB #624BCB

triadic

#4B74CB #CB4B74 #74CB4B

tetradic

#4B74CB #CB4BB4 #CBA24B #4BCB62

square

#4B74CB #CB4BB4 #CBA24B #4BCB62

split-complementary

#4B74CB #CB624B #B4CB4B

monochromatic

#233E79 #3157A8 #4B74CB #7A99D9 #AABDE6

Accessibility & contrast

On white

4.51

#4B74CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#4B74CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B74CB

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B74CB	#FFFFFF	#000000	##000000
##4B74CB	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C7DCE

Deuteranopia (green-blind)

#3871C9

Tritanopia (blue-blind)

#008895

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4b74cb;
/* rgb */ color: rgb(75, 116, 203);
/* oklch */ color: oklch(57.2% 0.142 263.5);

Tailwind

colors: {
  custom: {
    50: '#899bdb',
    500: '#4b74cb',
    950: '#000000',
  },
}

SCSS

$custom: #4b74cb;
$custom-light: #899bdb;
$custom-dark: #000000;

JSON

{
  "hex": "#4b74cb",
  "rgb": {
    "r": 75,
    "g": 116,
    "b": 203
  },
  "hsl": {
    "h": 220.781,
    "s": 55.172,
    "l": 54.51
  },
  "oklch": {
    "l": 0.57208,
    "c": 0.142,
    "h": 263.5
  },
  "luminance": 0.18298
}

Semantic roles & 50–950 ramp

primary

#4B74CB

secondary

#D4C39E

accent

#AF49DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4B74CB

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

Preview Lab → · Contrast checker → · Palette generator →