#305EB2#305EB2

#305EB2 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.6% C 0.143 H 261.3°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#305EB2
RGB	rgb(48, 94, 178)
HSL	hsl(219, 58%, 44%)
HSV	hsv(219, 73%, 70%)
CMYK	cmyk(73%, 47.2%, 0%, 30.2%)
CIE-LAB	lab(40.97, 13.72, -49.30)
CIE-LCH	lch(40.97, 51.17, 285.55°)
OKLab	oklab(49.56% -0.0217 -0.1414)
OKLCH	oklch(49.56% 0.143 261.3)
XYZ	xyz(13.2546, 11.8467, 43.6989)
Luminance	0.1185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305EB2 #B28430

analogous

#309FB2 #305EB2 #4330B2

triadic

#305EB2 #B2305E #5EB230

tetradic

#305EB2 #B2309F #B28430 #30B243

square

#305EB2 #B2309F #B28430 #30B243

split-complementary

#305EB2 #B24330 #9FB230

monochromatic

#162B52 #234582 #305EB2 #507DD0 #80A1DD

Accessibility & contrast

On white

6.23

#305EB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#305EB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305EB2

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305EB2	#FFFFFF	#000000	##FFFFFF
##305EB2	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3167B5

Deuteranopia (green-blind)

#115BB0

Tritanopia (blue-blind)

#00727F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #305eb2;
/* rgb */ color: rgb(48, 94, 178);
/* oklch */ color: oklch(49.6% 0.143 261.3);

Tailwind

colors: {
  custom: {
    50: '#798bc9',
    500: '#305eb2',
    950: '#000000',
  },
}

SCSS

$custom: #305eb2;
$custom-light: #798bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#305eb2",
  "rgb": {
    "r": 48,
    "g": 94,
    "b": 178
  },
  "hsl": {
    "h": 218.769,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.49561,
    "c": 0.14303,
    "h": 261.3
  },
  "luminance": 0.11848
}

Semantic roles & 50–950 ramp

primary

#305EB2

secondary

#C6AA78

accent

#AA47E1

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #305EB2

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

Preview Lab → · Contrast checker → · Palette generator →