#4757AC#4757AC

#4757AC is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.9% C 0.136 H 272.4°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#4757AC
RGB	rgb(71, 87, 172)
HSL	hsl(230, 42%, 48%)
HSV	hsv(230, 59%, 67%)
CMYK	cmyk(58.7%, 49.4%, 0%, 32.5%)
CIE-LAB	lab(39.80, 20.02, -47.57)
CIE-LCH	lch(39.80, 51.62, 292.82°)
OKLab	oklab(48.86% 0.0057 -0.1359)
OKLCH	oklch(48.86% 0.136 272.4)
XYZ	xyz(13.4507, 11.1335, 40.4619)
Luminance	0.1114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4757AC #AC9C47

analogous

#4789AC #4757AC #6947AC

triadic

#4757AC #AC4757 #57AC47

tetradic

#4757AC #AC4789 #AC9C47 #47AC69

square

#4757AC #AC4789 #AC9C47 #47AC69

split-complementary

#4757AC #AC6947 #89AC47

monochromatic

#232B55 #354181 #4757AC #6D7BC3 #99A2D5

Accessibility & contrast

On white

6.51

#4757AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#4757AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4757AC

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4757AC	#FFFFFF	#000000	##FFFFFF
##4757AC	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C62AF

Deuteranopia (green-blind)

#1B5AAA

Tritanopia (blue-blind)

#006A79

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4757ac;
/* rgb */ color: rgb(71, 87, 172);
/* oklch */ color: oklch(48.9% 0.136 272.4);

Tailwind

colors: {
  custom: {
    50: '#8386c5',
    500: '#4757ac',
    950: '#000000',
  },
}

SCSS

$custom: #4757ac;
$custom-light: #8386c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4757ac",
  "rgb": {
    "r": 71,
    "g": 87,
    "b": 172
  },
  "hsl": {
    "h": 230.495,
    "s": 41.564,
    "l": 47.647
  },
  "oklch": {
    "l": 0.48861,
    "c": 0.13606,
    "h": 272.4
  },
  "luminance": 0.11135
}

Semantic roles & 50–950 ramp

primary

#4757AC

secondary

#C1B98E

accent

#BE56D1

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #4757AC

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

Preview Lab → · Contrast checker → · Palette generator →