#305BAF#305BAF

#305BAF is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.7% C 0.143 H 262.1°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#305BAF
RGB	rgb(48, 91, 175)
HSL	hsl(220, 57%, 44%)
HSV	hsv(220, 73%, 69%)
CMYK	cmyk(72.6%, 48%, 0%, 31.4%)
CIE-LAB	lab(39.92, 14.54, -49.22)
CIE-LCH	lch(39.92, 51.32, 286.46°)
OKLab	oklab(48.69% -0.0195 -0.1412)
OKLCH	oklch(48.69% 0.143 262.1)
XYZ	xyz(12.6951, 11.2043, 42.0427)
Luminance	0.1121 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305BAF #AF8430

analogous

#309AAF #305BAF #4430AF

triadic

#305BAF #AF305B #5BAF30

tetradic

#305BAF #AF309A #AF8430 #30AF44

square

#305BAF #AF309A #AF8430 #30AF44

split-complementary

#305BAF #AF4430 #9AAF30

monochromatic

#16294F #23427F #305BAF #4E79CE #7E9EDC

Accessibility & contrast

On white

6.48

#305BAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#305BAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305BAF

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305BAF	#FFFFFF	#000000	##FFFFFF
##305BAF	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E64B2

Deuteranopia (green-blind)

#0A59AD

Tritanopia (blue-blind)

#006F7C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #305baf;
/* rgb */ color: rgb(48, 91, 175);
/* oklch */ color: oklch(48.7% 0.143 262.1);

Tailwind

colors: {
  custom: {
    50: '#7988c7',
    500: '#305baf',
    950: '#000000',
  },
}

SCSS

$custom: #305baf;
$custom-light: #7988c7;
$custom-dark: #000000;

JSON

{
  "hex": "#305baf",
  "rgb": {
    "r": 48,
    "g": 91,
    "b": 175
  },
  "hsl": {
    "h": 219.685,
    "s": 56.951,
    "l": 43.725
  },
  "oklch": {
    "l": 0.48693,
    "c": 0.14254,
    "h": 262.1
  },
  "luminance": 0.11206
}

Semantic roles & 50–950 ramp

primary

#305BAF

secondary

#C4AA76

accent

#AD48E0

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #305BAF

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

Preview Lab → · Contrast checker → · Palette generator →