#305FBC#305FBC

#305FBC is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.5% C 0.156 H 262.2°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#305FBC
RGB	rgb(48, 95, 188)
HSL	hsl(220, 59%, 46%)
HSV	hsv(220, 74%, 74%)
CMYK	cmyk(74.5%, 49.5%, 0%, 26.3%)
CIE-LAB	lab(41.91, 16.84, -53.64)
CIE-LCH	lch(41.91, 56.22, 287.43°)
OKLab	oklab(50.49% -0.0211 -0.1541)
OKLCH	oklch(50.49% 0.156 262.2)
XYZ	xyz(14.3850, 12.4420, 49.2106)
Luminance	0.1244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305FBC #BC8D30

analogous

#30A5BC #305FBC #4730BC

triadic

#305FBC #BC305F #5FBC30

tetradic

#305FBC #BC30A5 #BC8D30 #30BC47

square

#305FBC #BC30A5 #BC8D30 #30BC47

split-complementary

#305FBC #BC4730 #A5BC30

monochromatic

#172E5A #24468B #305FBC #5580D4 #86A4E0

Accessibility & contrast

On white

6.02

#305FBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#305FBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305FBC

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305FBC	#FFFFFF	#000000	##FFFFFF
##305FBC	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#296ABF

Deuteranopia (green-blind)

#005DBA

Tritanopia (blue-blind)

#007584

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #305fbc;
/* rgb */ color: rgb(48, 95, 188);
/* oklch */ color: oklch(50.5% 0.156 262.2);

Tailwind

colors: {
  custom: {
    50: '#7b8bd1',
    500: '#305fbc',
    950: '#000000',
  },
}

SCSS

$custom: #305fbc;
$custom-light: #7b8bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#305fbc",
  "rgb": {
    "r": 48,
    "g": 95,
    "b": 188
  },
  "hsl": {
    "h": 219.857,
    "s": 59.322,
    "l": 46.275
  },
  "oklch": {
    "l": 0.5049,
    "c": 0.15556,
    "h": 262.2
  },
  "luminance": 0.12444
}

Semantic roles & 50–950 ramp

primary

#305FBC

secondary

#CAB07E

accent

#AE45E3

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #305FBC

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

Preview Lab → · Contrast checker → · Palette generator →