#3057C0#3057C0

#3057C0 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.1% C 0.171 H 265.2°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#3057C0
RGB	rgb(48, 87, 192)
HSL	hsl(224, 60%, 47%)
HSV	hsv(224, 75%, 75%)
CMYK	cmyk(75%, 54.7%, 0%, 24.7%)
CIE-LAB	lab(40.00, 23.56, -59.06)
CIE-LCH	lch(40.00, 63.59, 291.75°)
OKLab	oklab(49.13% -0.0143 -0.1702)
OKLCH	oklch(49.13% 0.171 265.2)
XYZ	xyz(14.1382, 11.2490, 51.2851)
Luminance	0.1125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3057C0 #C09930

analogous

#309FC0 #3057C0 #5130C0

triadic

#3057C0 #C03057 #57C030

tetradic

#3057C0 #C0309F #C09930 #30C051

square

#3057C0 #C0309F #C09930 #30C051

split-complementary

#3057C0 #C05130 #9FC030

monochromatic

#182B5E #24418F #3057C0 #587AD5 #89A1E1

Accessibility & contrast

On white

6.46

#3057C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#3057C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3057C0

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3057C0	#FFFFFF	#000000	##FFFFFF
##3057C0	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C4

Deuteranopia (green-blind)

#0058BE

Tritanopia (blue-blind)

#007183

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3057c0;
/* rgb */ color: rgb(48, 87, 192);
/* oklch */ color: oklch(49.1% 0.171 265.2);

Tailwind

colors: {
  custom: {
    50: '#7d85d4',
    500: '#3057c0',
    950: '#000000',
  },
}

SCSS

$custom: #3057c0;
$custom-light: #7d85d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3057c0",
  "rgb": {
    "r": 48,
    "g": 87,
    "b": 192
  },
  "hsl": {
    "h": 223.75,
    "s": 60,
    "l": 47.059
  },
  "oklch": {
    "l": 0.49126,
    "c": 0.17083,
    "h": 265.2
  },
  "luminance": 0.11251
}

Semantic roles & 50–950 ramp

primary

#3057C0

secondary

#CBB780

accent

#B845E3

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3057C0

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

Preview Lab → · Contrast checker → · Palette generator →