#3057BE#3057BE

#3057BE is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.0% C 0.168 H 265.1°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#3057BE
RGB	rgb(48, 87, 190)
HSL	hsl(224, 60%, 47%)
HSV	hsv(224, 75%, 75%)
CMYK	cmyk(74.7%, 54.2%, 0%, 25.5%)
CIE-LAB	lab(39.85, 22.81, -58.14)
CIE-LCH	lch(39.85, 62.45, 291.42°)
OKLab	oklab(48.97% -0.0145 -0.1675)
OKLCH	oklch(48.97% 0.168 265.1)
XYZ	xyz(13.9181, 11.1609, 50.1260)
Luminance	0.1116 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3057BE #BE9730

analogous

#309EBE #3057BE #5030BE

triadic

#3057BE #BE3057 #57BE30

tetradic

#3057BE #BE309E #BE9730 #30BE50

square

#3057BE #BE309E #BE9730 #30BE50

split-complementary

#3057BE #BE5030 #9EBE30

monochromatic

#172A5C #24418D #3057BE #5779D4 #88A0E1

Accessibility & contrast

On white

6.50

#3057BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#3057BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3057BE

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3057BE	#FFFFFF	#000000	##FFFFFF
##3057BE	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C2

Deuteranopia (green-blind)

#0058BC

Tritanopia (blue-blind)

#007082

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3057be;
/* rgb */ color: rgb(48, 87, 190);
/* oklch */ color: oklch(49.0% 0.168 265.1);

Tailwind

colors: {
  custom: {
    50: '#7c85d2',
    500: '#3057be',
    950: '#000000',
  },
}

SCSS

$custom: #3057be;
$custom-light: #7c85d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3057be",
  "rgb": {
    "r": 48,
    "g": 87,
    "b": 190
  },
  "hsl": {
    "h": 223.521,
    "s": 59.664,
    "l": 46.667
  },
  "oklch": {
    "l": 0.48969,
    "c": 0.16813,
    "h": 265.1
  },
  "luminance": 0.11162
}

Semantic roles & 50–950 ramp

primary

#3057BE

secondary

#CBB67F

accent

#B745E3

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3057BE

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

Preview Lab → · Contrast checker → · Palette generator →