#3057D1#3057D1

#3057D1 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.5% C 0.193 H 266.0°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#3057D1
RGB	rgb(48, 87, 209)
HSL	hsl(225, 64%, 50%)
HSV	hsv(225, 77%, 82%)
CMYK	cmyk(77%, 58.4%, 0%, 18%)
CIE-LAB	lab(41.29, 29.89, -66.80)
CIE-LCH	lch(41.29, 73.19, 294.11°)
OKLab	oklab(50.5% -0.0135 -0.193)
OKLCH	oklch(50.5% 0.193 266)
XYZ	xyz(16.1317, 12.0464, 61.7842)
Luminance	0.1205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3057D1 #D1AA30

analogous

#30A7D1 #3057D1 #5A30D1

triadic

#3057D1 #D13057 #57D130

tetradic

#3057D1 #D130A7 #D1AA30 #30D15A

square

#3057D1 #D130A7 #D1AA30 #30D15A

split-complementary

#3057D1 #D15A30 #A7D130

monochromatic

#182D6E #2442A0 #3057D1 #6280DC #94A8E7

Accessibility & contrast

On white

6.16

#3057D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#3057D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3057D1

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3057D1	#FFFFFF	#000000	##FFFFFF
##3057D1	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D5

Deuteranopia (green-blind)

#005ACF

Tritanopia (blue-blind)

#00768B

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3057d1;
/* rgb */ color: rgb(48, 87, 209);
/* oklch */ color: oklch(50.5% 0.193 266.0);

Tailwind

colors: {
  custom: {
    50: '#8185e0',
    500: '#3057d1',
    950: '#000000',
  },
}

SCSS

$custom: #3057d1;
$custom-light: #8185e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3057d1",
  "rgb": {
    "r": 48,
    "g": 87,
    "b": 209
  },
  "hsl": {
    "h": 225.466,
    "s": 63.636,
    "l": 50.392
  },
  "oklch": {
    "l": 0.50503,
    "c": 0.19343,
    "h": 266
  },
  "luminance": 0.12048
}

Semantic roles & 50–950 ramp

primary

#3057D1

secondary

#D2C18A

accent

#BF41E7

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3057D1

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

Preview Lab → · Contrast checker → · Palette generator →