#305CAF#305CAF

#305CAF is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.9% C 0.141 H 261.7°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#305CAF
RGB	rgb(48, 92, 175)
HSL	hsl(219, 57%, 44%)
HSV	hsv(219, 73%, 69%)
CMYK	cmyk(72.6%, 47.4%, 0%, 31.4%)
CIE-LAB	lab(40.21, 13.89, -48.76)
CIE-LCH	lch(40.21, 50.70, 285.90°)
OKLab	oklab(48.91% -0.0204 -0.1398)
OKLCH	oklch(48.91% 0.141 261.7)
XYZ	xyz(12.7812, 11.3764, 42.0714)
Luminance	0.1138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305CAF #AF8330

analogous

#309BAF #305CAF #4330AF

triadic

#305CAF #AF305C #5CAF30

tetradic

#305CAF #AF309B #AF8330 #30AF43

square

#305CAF #AF309B #AF8330 #30AF43

split-complementary

#305CAF #AF4330 #9BAF30

monochromatic

#162A4F #23437F #305CAF #4E7ACE #7E9EDC

Accessibility & contrast

On white

6.41

#305CAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#305CAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305CAF

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305CAF	#FFFFFF	#000000	##FFFFFF
##305CAF	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3065B2

Deuteranopia (green-blind)

#1059AD

Tritanopia (blue-blind)

#00707D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #305caf;
/* rgb */ color: rgb(48, 92, 175);
/* oklch */ color: oklch(48.9% 0.141 261.7);

Tailwind

colors: {
  custom: {
    50: '#7989c7',
    500: '#305caf',
    950: '#000000',
  },
}

SCSS

$custom: #305caf;
$custom-light: #7989c7;
$custom-dark: #000000;

JSON

{
  "hex": "#305caf",
  "rgb": {
    "r": 48,
    "g": 92,
    "b": 175
  },
  "hsl": {
    "h": 219.213,
    "s": 56.951,
    "l": 43.725
  },
  "oklch": {
    "l": 0.48912,
    "c": 0.14131,
    "h": 261.7
  },
  "luminance": 0.11378
}

Semantic roles & 50–950 ramp

primary

#305CAF

secondary

#C4A976

accent

#AB48E0

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #305CAF

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

Preview Lab → · Contrast checker → · Palette generator →