#4758CF#4758CF

#4758CF is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.7% C 0.183 H 272.2°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#4758CF
RGB	rgb(71, 88, 207)
HSL	hsl(233, 59%, 55%)
HSV	hsv(233, 66%, 81%)
CMYK	cmyk(65.7%, 57.5%, 0%, 18.8%)
CIE-LAB	lab(42.49, 31.49, -63.64)
CIE-LCH	lch(42.49, 71.00, 296.32°)
OKLab	oklab(51.65% 0.0069 -0.1832)
OKLCH	oklch(51.65% 0.183 272.2)
XYZ	xyz(17.3470, 12.8225, 60.5802)
Luminance	0.1282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4758CF #CFBE47

analogous

#479CCF #4758CF #7A47CF

triadic

#4758CF #CF4758 #58CF47

tetradic

#4758CF #CF479C #CFBE47 #47CF7A

square

#4758CF #CF479C #CFBE47 #47CF7A

split-complementary

#4758CF #CF7A47 #9CCF47

monochromatic

#202C7B #2D3DAC #4758CF #7884DC #A8B0E8

Accessibility & contrast

On white

5.89

#4758CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#4758CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4758CF

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4758CF	#FFFFFF	#000000	##FFFFFF
##4758CF	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD3

Deuteranopia (green-blind)

#005ECD

Tritanopia (blue-blind)

#00758B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4758cf;
/* rgb */ color: rgb(71, 88, 207);
/* oklch */ color: oklch(51.7% 0.183 272.2);

Tailwind

colors: {
  custom: {
    50: '#8987df',
    500: '#4758cf',
    950: '#000000',
  },
}

SCSS

$custom: #4758cf;
$custom-light: #8987df;
$custom-dark: #000000;

JSON

{
  "hex": "#4758cf",
  "rgb": {
    "r": 71,
    "g": 88,
    "b": 207
  },
  "hsl": {
    "h": 232.5,
    "s": 58.621,
    "l": 54.51
  },
  "oklch": {
    "l": 0.51654,
    "c": 0.18332,
    "h": 272.2
  },
  "luminance": 0.12824
}

Semantic roles & 50–950 ramp

primary

#4758CF

secondary

#D6CE9C

accent

#CE46E2

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4758CF

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

Preview Lab → · Contrast checker → · Palette generator →