#4757DD#4757DD

#4757DD is a mid, highly saturated blue. Relative luminance 0.134; OKLCH L 52.6% C 0.203 H 272.1°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#4757DD
RGB	rgb(71, 87, 221)
HSL	hsl(234, 69%, 57%)
HSV	hsv(234, 68%, 87%)
CMYK	cmyk(67.9%, 60.6%, 0%, 13.3%)
CIE-LAB	lab(43.32, 36.93, -70.31)
CIE-LCH	lch(43.32, 79.42, 297.71°)
OKLab	oklab(52.6% 0.0076 -0.2028)
OKLCH	oklch(52.6% 0.203 272.1)
XYZ	xyz(19.0535, 13.3746, 69.9700)
Luminance	0.1338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4757DD #DDCD47

analogous

#47A2DD #4757DD #8247DD

triadic

#4757DD #DD4757 #57DD47

tetradic

#4757DD #DD47A2 #DDCD47 #47DD82

square

#4757DD #DD47A2 #DDCD47 #47DD82

split-complementary

#4757DD #DD8247 #A2DD47

monochromatic

#1A278F #2435C3 #4757DD #7B86E7 #AEB5F0

Accessibility & contrast

On white

5.71

#4757DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#4757DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4757DD

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4757DD	#FFFFFF	#000000	##FFFFFF
##4757DD	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DE1

Deuteranopia (green-blind)

#0060DA

Tritanopia (blue-blind)

#007992

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4757dd;
/* rgb */ color: rgb(71, 87, 221);
/* oklch */ color: oklch(52.6% 0.203 272.1);

Tailwind

colors: {
  custom: {
    50: '#8c86e9',
    500: '#4757dd',
    950: '#000000',
  },
}

SCSS

$custom: #4757dd;
$custom-light: #8c86e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4757dd",
  "rgb": {
    "r": 71,
    "g": 87,
    "b": 221
  },
  "hsl": {
    "h": 233.6,
    "s": 68.807,
    "l": 57.255
  },
  "oklch": {
    "l": 0.52604,
    "c": 0.20293,
    "h": 272.1
  },
  "luminance": 0.13376
}

Semantic roles & 50–950 ramp

primary

#4757DD

secondary

#DED8A2

accent

#D93CEC

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4757DD

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

Preview Lab → · Contrast checker → · Palette generator →