#3057C7#3057C7

#3057C7 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.7% C 0.180 H 265.6°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#3057C7
RGB	rgb(48, 87, 199)
HSL	hsl(225, 61%, 48%)
HSV	hsv(225, 76%, 78%)
CMYK	cmyk(75.9%, 56.3%, 0%, 22%)
CIE-LAB	lab(40.52, 26.18, -62.28)
CIE-LCH	lch(40.52, 67.56, 292.80°)
OKLab	oklab(49.68% -0.0139 -0.1797)
OKLCH	oklch(49.68% 0.18 265.6)
XYZ	xyz(14.9323, 11.5666, 55.4674)
Luminance	0.1157 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3057C7 #C7A030

analogous

#30A2C7 #3057C7 #5430C7

triadic

#3057C7 #C73057 #57C730

tetradic

#3057C7 #C730A2 #C7A030 #30C754

square

#3057C7 #C730A2 #C7A030 #30C754

split-complementary

#3057C7 #C75430 #A2C730

monochromatic

#182C64 #244196 #3057C7 #5C7CD8 #8EA4E4

Accessibility & contrast

On white

6.34

#3057C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#3057C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3057C7

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3057C7	#FFFFFF	#000000	##FFFFFF
##3057C7	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CB

Deuteranopia (green-blind)

#0059C5

Tritanopia (blue-blind)

#007386

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3057c7;
/* rgb */ color: rgb(48, 87, 199);
/* oklch */ color: oklch(49.7% 0.180 265.6);

Tailwind

colors: {
  custom: {
    50: '#7e85d9',
    500: '#3057c7',
    950: '#000000',
  },
}

SCSS

$custom: #3057c7;
$custom-light: #7e85d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3057c7",
  "rgb": {
    "r": 48,
    "g": 87,
    "b": 199
  },
  "hsl": {
    "h": 224.503,
    "s": 61.134,
    "l": 48.431
  },
  "oklch": {
    "l": 0.49683,
    "c": 0.18023,
    "h": 265.6
  },
  "luminance": 0.11568
}

Semantic roles & 50–950 ramp

primary

#3057C7

secondary

#CEBB85

accent

#BB44E4

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #3057C7

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

Preview Lab → · Contrast checker → · Palette generator →