#305FAF#305FAF

#305FAF is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.6% C 0.138 H 260.3°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#305FAF
RGB	rgb(48, 95, 175)
HSL	hsl(218, 57%, 44%)
HSV	hsv(218, 73%, 69%)
CMYK	cmyk(72.6%, 45.7%, 0%, 31.4%)
CIE-LAB	lab(41.07, 11.94, -47.38)
CIE-LCH	lch(41.07, 48.86, 284.15°)
OKLab	oklab(49.57% -0.0231 -0.1357)
OKLCH	oklch(49.57% 0.138 260.3)
XYZ	xyz(13.0462, 11.9065, 42.1598)
Luminance	0.1191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305FAF #AF8030

analogous

#309EAF #305FAF #4030AF

triadic

#305FAF #AF305F #5FAF30

tetradic

#305FAF #AF309E #AF8030 #30AF40

square

#305FAF #AF309E #AF8030 #30AF40

split-complementary

#305FAF #AF4030 #9EAF30

monochromatic

#162B4F #23457F #305FAF #4E7DCE #7EA1DC

Accessibility & contrast

On white

6.21

#305FAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#305FAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305FAF

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305FAF	#FFFFFF	#000000	##FFFFFF
##305FAF	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3667B2

Deuteranopia (green-blind)

#1C5BAD

Tritanopia (blue-blind)

#00727E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #305faf;
/* rgb */ color: rgb(48, 95, 175);
/* oklch */ color: oklch(49.6% 0.138 260.3);

Tailwind

colors: {
  custom: {
    50: '#798bc7',
    500: '#305faf',
    950: '#000000',
  },
}

SCSS

$custom: #305faf;
$custom-light: #798bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#305faf",
  "rgb": {
    "r": 48,
    "g": 95,
    "b": 175
  },
  "hsl": {
    "h": 217.795,
    "s": 56.951,
    "l": 43.725
  },
  "oklch": {
    "l": 0.49573,
    "c": 0.13767,
    "h": 260.3
  },
  "luminance": 0.11908
}

Semantic roles & 50–950 ramp

primary

#305FAF

secondary

#C4A876

accent

#A848E0

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #305FAF

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

Preview Lab → · Contrast checker → · Palette generator →