#305EAA#305EAA

#305EAA is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.0% C 0.132 H 259.9°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#305EAA
RGB	rgb(48, 94, 170)
HSL	hsl(217, 56%, 43%)
HSV	hsv(217, 72%, 67%)
CMYK	cmyk(71.8%, 44.7%, 0%, 33.3%)
CIE-LAB	lab(40.47, 10.71, -45.39)
CIE-LCH	lch(40.47, 46.64, 283.27°)
OKLab	oklab(49.01% -0.0231 -0.1299)
OKLCH	oklch(49.01% 0.132 259.9)
XYZ	xyz(12.4747, 11.5347, 39.5914)
Luminance	0.1154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305EAA #AA7C30

analogous

#309BAA #305EAA #3F30AA

triadic

#305EAA #AA305E #5EAA30

tetradic

#305EAA #AA309B #AA7C30 #30AA3F

square

#305EAA #AA309B #AA7C30 #30AA3F

split-complementary

#305EAA #AA3F30 #9BAA30

monochromatic

#15294B #23447A #305EAA #4B7CCC #7B9FDA

Accessibility & contrast

On white

6.35

#305EAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#305EAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305EAA

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305EAA	#FFFFFF	#000000	##FFFFFF
##305EAA	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3865AD

Deuteranopia (green-blind)

#215AA8

Tritanopia (blue-blind)

#00707B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #305eaa;
/* rgb */ color: rgb(48, 94, 170);
/* oklch */ color: oklch(49.0% 0.132 259.9);

Tailwind

colors: {
  custom: {
    50: '#788bc4',
    500: '#305eaa',
    950: '#000000',
  },
}

SCSS

$custom: #305eaa;
$custom-light: #788bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#305eaa",
  "rgb": {
    "r": 48,
    "g": 94,
    "b": 170
  },
  "hsl": {
    "h": 217.377,
    "s": 55.963,
    "l": 42.745
  },
  "oklch": {
    "l": 0.4901,
    "c": 0.13193,
    "h": 259.9
  },
  "luminance": 0.11536
}

Semantic roles & 50–950 ramp

primary

#305EAA

secondary

#C2A574

accent

#A649DF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #305EAA

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

Preview Lab → · Contrast checker → · Palette generator →