#305FAD#305FAD

#305FAD is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.4% C 0.135 H 260.0°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#305FAD
RGB	rgb(48, 95, 173)
HSL	hsl(217, 57%, 43%)
HSV	hsv(217, 72%, 68%)
CMYK	cmyk(72.3%, 45.1%, 0%, 32.2%)
CIE-LAB	lab(40.94, 11.19, -46.40)
CIE-LCH	lch(40.94, 47.73, 283.55°)
OKLab	oklab(49.44% -0.0235 -0.1328)
OKLCH	oklch(49.44% 0.135 260)
XYZ	xyz(12.8512, 11.8286, 41.1329)
Luminance	0.1183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305FAD #AD7E30

analogous

#309DAD #305FAD #3F30AD

triadic

#305FAD #AD305F #5FAD30

tetradic

#305FAD #AD309D #AD7E30 #30AD3F

square

#305FAD #AD309D #AD7E30 #30AD3F

split-complementary

#305FAD #AD3F30 #9DAD30

monochromatic

#152A4D #23457D #305FAD #4D7DCE #7DA0DB

Accessibility & contrast

On white

6.24

#305FAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#305FAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305FAD

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305FAD	#FFFFFF	#000000	##FFFFFF
##305FAD	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3867B0

Deuteranopia (green-blind)

#205BAB

Tritanopia (blue-blind)

#00717D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #305fad;
/* rgb */ color: rgb(48, 95, 173);
/* oklch */ color: oklch(49.4% 0.135 260.0);

Tailwind

colors: {
  custom: {
    50: '#788bc6',
    500: '#305fad',
    950: '#000000',
  },
}

SCSS

$custom: #305fad;
$custom-light: #788bc6;
$custom-dark: #000000;

JSON

{
  "hex": "#305fad",
  "rgb": {
    "r": 48,
    "g": 95,
    "b": 173
  },
  "hsl": {
    "h": 217.44,
    "s": 56.561,
    "l": 43.333
  },
  "oklch": {
    "l": 0.49436,
    "c": 0.13489,
    "h": 260
  },
  "luminance": 0.1183
}

Semantic roles & 50–950 ramp

primary

#305FAD

secondary

#C3A675

accent

#A748E0

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #305FAD

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

Preview Lab → · Contrast checker → · Palette generator →