#305EB6#305EB6

#305EB6 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.8% C 0.149 H 261.8°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#305EB6
RGB	rgb(48, 94, 182)
HSL	hsl(219, 58%, 45%)
HSV	hsv(219, 74%, 71%)
CMYK	cmyk(73.6%, 48.4%, 0%, 28.6%)
CIE-LAB	lab(41.23, 15.23, -51.23)
CIE-LCH	lch(41.23, 53.44, 286.56°)
OKLab	oklab(49.84% -0.0211 -0.147)
OKLCH	oklch(49.84% 0.149 261.8)
XYZ	xyz(13.6621, 12.0097, 45.8450)
Luminance	0.1201 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305EB6 #B68830

analogous

#30A1B6 #305EB6 #4530B6

triadic

#305EB6 #B6305E #5EB630

tetradic

#305EB6 #B630A1 #B68830 #30B645

square

#305EB6 #B630A1 #B68830 #30B645

split-complementary

#305EB6 #B64530 #A1B630

monochromatic

#162C55 #234586 #305EB6 #527ED1 #82A2DE

Accessibility & contrast

On white

6.17

#305EB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#305EB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305EB6

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305EB6	#FFFFFF	#000000	##FFFFFF
##305EB6	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D68B9

Deuteranopia (green-blind)

#025BB4

Tritanopia (blue-blind)

#007381

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #305eb6;
/* rgb */ color: rgb(48, 94, 182);
/* oklch */ color: oklch(49.8% 0.149 261.8);

Tailwind

colors: {
  custom: {
    50: '#7a8bcc',
    500: '#305eb6',
    950: '#000000',
  },
}

SCSS

$custom: #305eb6;
$custom-light: #7a8bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#305eb6",
  "rgb": {
    "r": 48,
    "g": 94,
    "b": 182
  },
  "hsl": {
    "h": 219.403,
    "s": 58.261,
    "l": 45.098
  },
  "oklch": {
    "l": 0.49844,
    "c": 0.14855,
    "h": 261.8
  },
  "luminance": 0.12011
}

Semantic roles & 50–950 ramp

primary

#305EB6

secondary

#C7AD7B

accent

#AC46E1

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #305EB6

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

Preview Lab → · Contrast checker → · Palette generator →