#305FA1#305FA1

#305FA1 is a mid, moderate blue. Relative luminance 0.114; OKLCH L 48.6% C 0.118 H 257.3°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#305FA1
RGB	rgb(48, 95, 161)
HSL	hsl(215, 54%, 41%)
HSV	hsv(215, 70%, 63%)
CMYK	cmyk(70.2%, 41%, 0%, 36.9%)
CIE-LAB	lab(40.22, 6.69, -40.45)
CIE-LCH	lch(40.22, 41.00, 279.39°)
OKLab	oklab(48.65% -0.026 -0.1153)
OKLCH	oklch(48.65% 0.118 257.3)
XYZ	xyz(11.7418, 11.3848, 35.2900)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305FA1 #A17230

analogous

#3097A1 #305FA1 #3930A1

triadic

#305FA1 #A1305F #5FA130

tetradic

#305FA1 #A13097 #A17230 #30A139

square

#305FA1 #A13097 #A17230 #30A139

split-complementary

#305FA1 #A13930 #97A130

monochromatic

#142743 #224372 #305FA1 #467CC8 #759ED6

Accessibility & contrast

On white

6.41

#305FA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#305FA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305FA1

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305FA1	#FFFFFF	#000000	##FFFFFF
##305FA1	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)

#4064A4

Deuteranopia (green-blind)

#2F5AA0

Tritanopia (blue-blind)

#006E78

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #305fa1;
/* rgb */ color: rgb(48, 95, 161);
/* oklch */ color: oklch(48.6% 0.118 257.3);

Tailwind

colors: {
  custom: {
    50: '#768cbd',
    500: '#305fa1',
    950: '#000000',
  },
}

SCSS

$custom: #305fa1;
$custom-light: #768cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#305fa1",
  "rgb": {
    "r": 48,
    "g": 95,
    "b": 161
  },
  "hsl": {
    "h": 215.044,
    "s": 54.067,
    "l": 40.98
  },
  "oklch": {
    "l": 0.48645,
    "c": 0.11823,
    "h": 257.3
  },
  "luminance": 0.11386
}

Semantic roles & 50–950 ramp

primary

#305FA1

secondary

#BE9D6F

accent

#A04ADD

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #305FA1

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

Preview Lab → · Contrast checker → · Palette generator →