#305EA9#305EA9

#305EA9 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 48.9% C 0.131 H 259.7°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#305EA9
RGB	rgb(48, 94, 169)
HSL	hsl(217, 56%, 43%)
HSV	hsv(217, 72%, 66%)
CMYK	cmyk(71.6%, 44.4%, 0%, 33.7%)
CIE-LAB	lab(40.41, 10.33, -44.90)
CIE-LCH	lch(40.41, 46.07, 282.96°)
OKLab	oklab(48.94% -0.0233 -0.1284)
OKLCH	oklch(48.94% 0.131 259.7)
XYZ	xyz(12.3805, 11.4970, 39.0951)
Luminance	0.1150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305EA9 #A97B30

analogous

#309AA9 #305EA9 #3F30A9

triadic

#305EA9 #A9305E #5EA930

tetradic

#305EA9 #A9309A #A97B30 #30A93F

square

#305EA9 #A9309A #A97B30 #30A93F

split-complementary

#305EA9 #A93F30 #9AA930

monochromatic

#15294A #224379 #305EA9 #4A7CCC #7A9ED9

Accessibility & contrast

On white

6.36

#305EA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#305EA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305EA9

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305EA9	#FFFFFF	#000000	##FFFFFF
##305EA9	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3965AC

Deuteranopia (green-blind)

#235AA7

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #305ea9;
/* rgb */ color: rgb(48, 94, 169);
/* oklch */ color: oklch(48.9% 0.131 259.7);

Tailwind

colors: {
  custom: {
    50: '#778bc3',
    500: '#305ea9',
    950: '#000000',
  },
}

SCSS

$custom: #305ea9;
$custom-light: #778bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#305ea9",
  "rgb": {
    "r": 48,
    "g": 94,
    "b": 169
  },
  "hsl": {
    "h": 217.19,
    "s": 55.76,
    "l": 42.549
  },
  "oklch": {
    "l": 0.48942,
    "c": 0.13054,
    "h": 259.7
  },
  "luminance": 0.11498
}

Semantic roles & 50–950 ramp

primary

#305EA9

secondary

#C2A473

accent

#A649DF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #305EA9

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

Preview Lab → · Contrast checker → · Palette generator →