#4C74CB#4C74CB

#4C74CB is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.3% C 0.142 H 263.9°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4C74CB
RGB	rgb(76, 116, 203)
HSL	hsl(221, 55%, 55%)
HSV	hsv(221, 63%, 80%)
CMYK	cmyk(62.6%, 42.9%, 0%, 20.4%)
CIE-LAB	lab(49.90, 13.34, -49.40)
CIE-LCH	lch(49.90, 51.17, 285.11°)
OKLab	oklab(57.26% -0.0151 -0.1408)
OKLCH	oklch(57.26% 0.142 263.9)
XYZ	xyz(20.0016, 18.3373, 58.9737)
Luminance	0.1834 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C74CB #CBA34C

analogous

#4CB4CB #4C74CB #634CCB

triadic

#4C74CB #CB4C74 #74CB4C

tetradic

#4C74CB #CB4CB4 #CBA34C #4CCB63

square

#4C74CB #CB4CB4 #CBA34C #4CCB63

split-complementary

#4C74CB #CB634C #B4CB4C

monochromatic

#233E79 #3157A9 #4C74CB #7B99D9 #ABBEE7

Accessibility & contrast

On white

4.50

#4C74CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#4C74CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C74CB

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C74CB	#FFFFFF	#000000	##000000
##4C74CB	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C7DCE

Deuteranopia (green-blind)

#3971C9

Tritanopia (blue-blind)

#008895

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4c74cb;
/* rgb */ color: rgb(76, 116, 203);
/* oklch */ color: oklch(57.3% 0.142 263.9);

Tailwind

colors: {
  custom: {
    50: '#899bdb',
    500: '#4c74cb',
    950: '#000000',
  },
}

SCSS

$custom: #4c74cb;
$custom-light: #899bdb;
$custom-dark: #000000;

JSON

{
  "hex": "#4c74cb",
  "rgb": {
    "r": 76,
    "g": 116,
    "b": 203
  },
  "hsl": {
    "h": 221.102,
    "s": 54.978,
    "l": 54.706
  },
  "oklch": {
    "l": 0.57259,
    "c": 0.14165,
    "h": 263.9
  },
  "luminance": 0.18339
}

Semantic roles & 50–950 ramp

primary

#4C74CB

secondary

#D4C39F

accent

#AF49DE

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4C74CB

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

Preview Lab → · Contrast checker → · Palette generator →