#3057C4#3057C4

#3057C4 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.4% C 0.176 H 265.4°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#3057C4
RGB	rgb(48, 87, 196)
HSL	hsl(224, 61%, 48%)
HSV	hsv(224, 76%, 77%)
CMYK	cmyk(75.5%, 55.6%, 0%, 23.1%)
CIE-LAB	lab(40.29, 25.06, -60.91)
CIE-LCH	lch(40.29, 65.86, 292.36°)
OKLab	oklab(49.44% -0.0141 -0.1756)
OKLCH	oklch(49.44% 0.176 265.4)
XYZ	xyz(14.5874, 11.4287, 53.6510)
Luminance	0.1143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3057C4 #C49D30

analogous

#30A1C4 #3057C4 #5330C4

triadic

#3057C4 #C43057 #57C430

tetradic

#3057C4 #C430A1 #C49D30 #30C453

square

#3057C4 #C430A1 #C49D30 #30C453

split-complementary

#3057C4 #C45330 #A1C430

monochromatic

#182B62 #244193 #3057C4 #5A7BD7 #8CA3E3

Accessibility & contrast

On white

6.39

#3057C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#3057C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3057C4

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3057C4	#FFFFFF	#000000	##FFFFFF
##3057C4	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066C8

Deuteranopia (green-blind)

#0058C2

Tritanopia (blue-blind)

#007285

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3057c4;
/* rgb */ color: rgb(48, 87, 196);
/* oklch */ color: oklch(49.4% 0.176 265.4);

Tailwind

colors: {
  custom: {
    50: '#7e85d7',
    500: '#3057c4',
    950: '#000000',
  },
}

SCSS

$custom: #3057c4;
$custom-light: #7e85d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3057c4",
  "rgb": {
    "r": 48,
    "g": 87,
    "b": 196
  },
  "hsl": {
    "h": 224.189,
    "s": 60.656,
    "l": 47.843
  },
  "oklch": {
    "l": 0.49443,
    "c": 0.17621,
    "h": 265.4
  },
  "luminance": 0.1143
}

Semantic roles & 50–950 ramp

primary

#3057C4

secondary

#CDB983

accent

#BA44E4

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3057C4

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

Preview Lab → · Contrast checker → · Palette generator →