#305DA1#305DA1

#305DA1 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.2% C 0.121 H 258.5°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#305DA1
RGB	rgb(48, 93, 161)
HSL	hsl(216, 54%, 41%)
HSV	hsv(216, 70%, 63%)
CMYK	cmyk(70.2%, 42.2%, 0%, 36.9%)
CIE-LAB	lab(39.63, 7.98, -41.39)
CIE-LCH	lch(39.63, 42.15, 280.91°)
OKLab	oklab(48.19% -0.024 -0.1181)
OKLCH	oklch(48.19% 0.121 258.5)
XYZ	xyz(11.5640, 11.0291, 35.2307)
Luminance	0.1103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305DA1 #A17430

analogous

#3095A1 #305DA1 #3B30A1

triadic

#305DA1 #A1305D #5DA130

tetradic

#305DA1 #A13095 #A17430 #30A13B

square

#305DA1 #A13095 #A17430 #30A13B

split-complementary

#305DA1 #A13B30 #95A130

monochromatic

#142743 #224272 #305DA1 #467AC8 #759CD6

Accessibility & contrast

On white

6.55

#305DA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#305DA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305DA1

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305DA1	#FFFFFF	#000000	##FFFFFF
##305DA1	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D63A4

Deuteranopia (green-blind)

#2B59A0

Tritanopia (blue-blind)

#006D77

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #305da1;
/* rgb */ color: rgb(48, 93, 161);
/* oklch */ color: oklch(48.2% 0.121 258.5);

Tailwind

colors: {
  custom: {
    50: '#768abd',
    500: '#305da1',
    950: '#000000',
  },
}

SCSS

$custom: #305da1;
$custom-light: #768abd;
$custom-dark: #000000;

JSON

{
  "hex": "#305da1",
  "rgb": {
    "r": 48,
    "g": 93,
    "b": 161
  },
  "hsl": {
    "h": 216.106,
    "s": 54.067,
    "l": 40.98
  },
  "oklch": {
    "l": 0.48186,
    "c": 0.12055,
    "h": 258.5
  },
  "luminance": 0.1103
}

Semantic roles & 50–950 ramp

primary

#305DA1

secondary

#BE9E6F

accent

#A34ADD

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #305DA1

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

Preview Lab → · Contrast checker → · Palette generator →