#305CA6#305CA6

#305CA6 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.3% C 0.129 H 260.2°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#305CA6
RGB	rgb(48, 92, 166)
HSL	hsl(218, 55%, 42%)
HSV	hsv(218, 71%, 65%)
CMYK	cmyk(71.1%, 44.6%, 0%, 34.9%)
CIE-LAB	lab(39.64, 10.50, -44.35)
CIE-LCH	lch(39.64, 45.58, 283.32°)
OKLab	oklab(48.29% -0.022 -0.1268)
OKLCH	oklch(48.29% 0.129 260.2)
XYZ	xyz(11.9265, 11.0346, 37.5703)
Luminance	0.1104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305CA6 #A67A30

analogous

#3097A6 #305CA6 #3F30A6

triadic

#305CA6 #A6305C #5CA630

tetradic

#305CA6 #A63097 #A67A30 #30A63F

square

#305CA6 #A63097 #A67A30 #30A63F

split-complementary

#305CA6 #A63F30 #97A630

monochromatic

#152747 #224277 #305CA6 #4979CA #789CD8

Accessibility & contrast

On white

6.55

#305CA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#305CA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305CA6

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305CA6	#FFFFFF	#000000	##FFFFFF
##305CA6	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)

#3863A9

Deuteranopia (green-blind)

#2258A4

Tritanopia (blue-blind)

#006D79

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #305ca6;
/* rgb */ color: rgb(48, 92, 166);
/* oklch */ color: oklch(48.3% 0.129 260.2);

Tailwind

colors: {
  custom: {
    50: '#7789c1',
    500: '#305ca6',
    950: '#000000',
  },
}

SCSS

$custom: #305ca6;
$custom-light: #7789c1;
$custom-dark: #000000;

JSON

{
  "hex": "#305ca6",
  "rgb": {
    "r": 48,
    "g": 92,
    "b": 166
  },
  "hsl": {
    "h": 217.627,
    "s": 55.14,
    "l": 41.961
  },
  "oklch": {
    "l": 0.48291,
    "c": 0.12875,
    "h": 260.2
  },
  "luminance": 0.11036
}

Semantic roles & 50–950 ramp

primary

#305CA6

secondary

#C0A371

accent

#A749DE

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #305CA6

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

Preview Lab → · Contrast checker → · Palette generator →