#305DA7#305DA7

#305DA7 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.6% C 0.129 H 259.8°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#305DA7
RGB	rgb(48, 93, 167)
HSL	hsl(217, 55%, 42%)
HSV	hsv(217, 71%, 65%)
CMYK	cmyk(71.3%, 44.3%, 0%, 34.5%)
CIE-LAB	lab(39.99, 10.23, -44.38)
CIE-LCH	lch(39.99, 45.54, 282.98°)
OKLab	oklab(48.58% -0.0228 -0.1269)
OKLCH	oklch(48.58% 0.129 259.8)
XYZ	xyz(12.1058, 11.2458, 38.0844)
Luminance	0.1125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305DA7 #A77A30

analogous

#3099A7 #305DA7 #3F30A7

triadic

#305DA7 #A7305D #5DA730

tetradic

#305DA7 #A73099 #A77A30 #30A73F

square

#305DA7 #A73099 #A77A30 #30A73F

split-complementary

#305DA7 #A73F30 #99A730

monochromatic

#152848 #224377 #305DA7 #497ACB #799DD8

Accessibility & contrast

On white

6.46

#305DA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#305DA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305DA7

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305DA7	#FFFFFF	#000000	##FFFFFF
##305DA7	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3964AA

Deuteranopia (green-blind)

#2359A5

Tritanopia (blue-blind)

#006E7A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #305da7;
/* rgb */ color: rgb(48, 93, 167);
/* oklch */ color: oklch(48.6% 0.129 259.8);

Tailwind

colors: {
  custom: {
    50: '#778ac1',
    500: '#305da7',
    950: '#000000',
  },
}

SCSS

$custom: #305da7;
$custom-light: #778ac1;
$custom-dark: #000000;

JSON

{
  "hex": "#305da7",
  "rgb": {
    "r": 48,
    "g": 93,
    "b": 167
  },
  "hsl": {
    "h": 217.311,
    "s": 55.349,
    "l": 42.157
  },
  "oklch": {
    "l": 0.48583,
    "c": 0.12895,
    "h": 259.8
  },
  "luminance": 0.11247
}

Semantic roles & 50–950 ramp

primary

#305DA7

secondary

#C1A372

accent

#A649DF

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #305DA7

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

Preview Lab → · Contrast checker → · Palette generator →