#305EA7#305EA7

#305EA7 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.8% C 0.128 H 259.3°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#305EA7
RGB	rgb(48, 94, 167)
HSL	hsl(217, 55%, 42%)
HSV	hsv(217, 71%, 65%)
CMYK	cmyk(71.3%, 43.7%, 0%, 34.5%)
CIE-LAB	lab(40.28, 9.58, -43.91)
CIE-LCH	lch(40.28, 44.94, 282.31°)
OKLab	oklab(48.81% -0.0237 -0.1255)
OKLCH	oklch(48.81% 0.128 259.3)
XYZ	xyz(12.1942, 11.4225, 38.1138)
Luminance	0.1142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305EA7 #A77930

analogous

#309AA7 #305EA7 #3E30A7

triadic

#305EA7 #A7305E #5EA730

tetradic

#305EA7 #A7309A #A77930 #30A73E

square

#305EA7 #A7309A #A77930 #30A73E

split-complementary

#305EA7 #A73E30 #9AA730

monochromatic

#152848 #224377 #305EA7 #497BCB #799ED8

Accessibility & contrast

On white

6.39

#305EA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#305EA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305EA7

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305EA7	#FFFFFF	#000000	##FFFFFF
##305EA7	1.00	6.39	3.28	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B65AA

Deuteranopia (green-blind)

#265AA6

Tritanopia (blue-blind)

#006F7A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #305ea7;
/* rgb */ color: rgb(48, 94, 167);
/* oklch */ color: oklch(48.8% 0.128 259.3);

Tailwind

colors: {
  custom: {
    50: '#778bc1',
    500: '#305ea7',
    950: '#000000',
  },
}

SCSS

$custom: #305ea7;
$custom-light: #778bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#305ea7",
  "rgb": {
    "r": 48,
    "g": 94,
    "b": 167
  },
  "hsl": {
    "h": 216.807,
    "s": 55.349,
    "l": 42.157
  },
  "oklch": {
    "l": 0.48809,
    "c": 0.12775,
    "h": 259.3
  },
  "luminance": 0.11424
}

Semantic roles & 50–950 ramp

primary

#305EA7

secondary

#C1A272

accent

#A549DF

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #305EA7

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

Preview Lab → · Contrast checker → · Palette generator →