#4B74CF#4B74CF

#4B74CF is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.5% C 0.148 H 264.1°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#4B74CF
RGB	rgb(75, 116, 207)
HSL	hsl(221, 58%, 55%)
HSV	hsv(221, 64%, 81%)
CMYK	cmyk(63.8%, 44%, 0%, 18.8%)
CIE-LAB	lab(50.08, 14.54, -51.40)
CIE-LCH	lch(50.08, 53.41, 285.80°)
OKLab	oklab(57.46% -0.0152 -0.1467)
OKLCH	oklch(57.46% 0.148 264.1)
XYZ	xyz(20.4056, 18.4898, 61.5129)
Luminance	0.1849 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B74CF #CFA64B

analogous

#4BB6CF #4B74CF #644BCF

triadic

#4B74CF #CF4B74 #74CF4B

tetradic

#4B74CF #CF4BB6 #CFA64B #4BCF64

square

#4B74CF #CF4BB6 #CFA64B #4BCF64

split-complementary

#4B74CF #CF644B #B6CF4B

monochromatic

#223E7E #2E56AE #4B74CF #7B99DC #ACBFE9

Accessibility & contrast

On white

4.47

#4B74CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#4B74CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B74CF

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B74CF	#FFFFFF	#000000	##000000
##4B74CF	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)

#497ED2

Deuteranopia (green-blind)

#3472CD

Tritanopia (blue-blind)

#008997

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4b74cf;
/* rgb */ color: rgb(75, 116, 207);
/* oklch */ color: oklch(57.5% 0.148 264.1);

Tailwind

colors: {
  custom: {
    50: '#8a9bde',
    500: '#4b74cf',
    950: '#000000',
  },
}

SCSS

$custom: #4b74cf;
$custom-light: #8a9bde;
$custom-dark: #000000;

JSON

{
  "hex": "#4b74cf",
  "rgb": {
    "r": 75,
    "g": 116,
    "b": 207
  },
  "hsl": {
    "h": 221.364,
    "s": 57.895,
    "l": 55.294
  },
  "oklch": {
    "l": 0.57461,
    "c": 0.14751,
    "h": 264.1
  },
  "luminance": 0.18492
}

Semantic roles & 50–950 ramp

primary

#4B74CF

secondary

#D6C59F

accent

#B147E1

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4B74CF

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

Preview Lab → · Contrast checker → · Palette generator →