#3053BB#3053BB

#3053BB is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.9% C 0.169 H 266.0°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#3053BB
RGB	rgb(48, 83, 187)
HSL	hsl(225, 59%, 46%)
HSV	hsv(225, 74%, 73%)
CMYK	cmyk(74.3%, 55.6%, 0%, 26.7%)
CIE-LAB	lab(38.55, 24.30, -58.49)
CIE-LCH	lch(38.55, 63.33, 292.56°)
OKLab	oklab(47.92% -0.0117 -0.1686)
OKLCH	oklch(47.92% 0.169 266)
XYZ	xyz(13.2787, 10.4013, 48.3119)
Luminance	0.1040 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3053BB #BB9830

analogous

#3098BB #3053BB #5230BB

triadic

#3053BB #BB3053 #53BB30

tetradic

#3053BB #BB3098 #BB9830 #30BB52

square

#3053BB #BB3098 #BB9830 #30BB52

split-complementary

#3053BB #BB5230 #98BB30

monochromatic

#17285A #233D8A #3053BB #5575D3 #869CE0

Accessibility & contrast

On white

6.82

#3053BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#3053BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3053BB

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3053BB	#FFFFFF	#000000	##FFFFFF
##3053BB	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BF

Deuteranopia (green-blind)

#0055B9

Tritanopia (blue-blind)

#006D7F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3053bb;
/* rgb */ color: rgb(48, 83, 187);
/* oklch */ color: oklch(47.9% 0.169 266.0);

Tailwind

colors: {
  custom: {
    50: '#7c82d0',
    500: '#3053bb',
    950: '#000000',
  },
}

SCSS

$custom: #3053bb;
$custom-light: #7c82d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3053bb",
  "rgb": {
    "r": 48,
    "g": 83,
    "b": 187
  },
  "hsl": {
    "h": 224.892,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.4792,
    "c": 0.16899,
    "h": 266
  },
  "luminance": 0.10403
}

Semantic roles & 50–950 ramp

primary

#3053BB

secondary

#C9B67D

accent

#BB45E2

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3053BB

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

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