#4751BC#4751BC

#4751BC is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.9% C 0.166 H 274.4°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#4751BC
RGB	rgb(71, 81, 188)
HSL	hsl(235, 47%, 51%)
HSV	hsv(235, 62%, 74%)
CMYK	cmyk(62.2%, 56.9%, 0%, 26.3%)
CIE-LAB	lab(39.33, 29.36, -57.75)
CIE-LCH	lch(39.33, 64.79, 296.95°)
OKLab	oklab(48.86% 0.0128 -0.1659)
OKLCH	oklch(48.86% 0.166 274.4)
XYZ	xyz(14.6151, 10.8541, 48.8921)
Luminance	0.1085 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4751BC #BCB247

analogous

#478BBC #4751BC #7747BC

triadic

#4751BC #BC4751 #51BC47

tetradic

#4751BC #BC478B #BCB247 #47BC77

square

#4751BC #BC478B #BCB247 #47BC77

split-complementary

#4751BC #BC7747 #8BBC47

monochromatic

#242A64 #353D91 #4751BC #747BCC #A1A6DD

Accessibility & contrast

On white

6.62

#4751BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#4751BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4751BC

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4751BC	#FFFFFF	#000000	##FFFFFF
##4751BC	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C0

Deuteranopia (green-blind)

#0058BA

Tritanopia (blue-blind)

#006B7E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4751bc;
/* rgb */ color: rgb(71, 81, 188);
/* oklch */ color: oklch(48.9% 0.166 274.4);

Tailwind

colors: {
  custom: {
    50: '#8681d1',
    500: '#4751bc',
    950: '#000000',
  },
}

SCSS

$custom: #4751bc;
$custom-light: #8681d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4751bc",
  "rgb": {
    "r": 71,
    "g": 81,
    "b": 188
  },
  "hsl": {
    "h": 234.872,
    "s": 46.614,
    "l": 50.784
  },
  "oklch": {
    "l": 0.48858,
    "c": 0.16643,
    "h": 274.4
  },
  "luminance": 0.10855
}

Semantic roles & 50–950 ramp

primary

#4751BC

secondary

#C9C595

accent

#CB52D6

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4751BC

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

Preview Lab → · Contrast checker → · Palette generator →