#305BDC#305BDC

#305BDC is a mid, highly saturated blue. Relative luminance 0.133; OKLCH L 52.2% C 0.203 H 265.6°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#305BDC
RGB	rgb(48, 91, 220)
HSL	hsl(225, 71%, 53%)
HSV	hsv(225, 78%, 86%)
CMYK	cmyk(78.2%, 58.6%, 0%, 13.7%)
CIE-LAB	lab(43.18, 31.39, -70.02)
CIE-LCH	lch(43.18, 76.74, 294.15°)
OKLab	oklab(52.18% -0.0157 -0.2024)
OKLCH	oklch(52.18% 0.203 265.6)
XYZ	xyz(17.8737, 13.2758, 69.3167)
Luminance	0.1328 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305BDC #DCB130

analogous

#30B1DC #305BDC #5B30DC

triadic

#305BDC #DC305B #5BDC30

tetradic

#305BDC #DC30B1 #DCB130 #30DC5B

square

#305BDC #DC30B1 #DCB130 #30DC5B

split-complementary

#305BDC #DC5B30 #B1DC30

monochromatic

#152F7D #1E43B1 #305BDC #6484E5 #99AEEE

Accessibility & contrast

On white

5.74

#305BDC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#305BDC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305BDC

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305BDC	#FFFFFF	#000000	##FFFFFF
##305BDC	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EE0

Deuteranopia (green-blind)

#005EDA

Tritanopia (blue-blind)

#007C93

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #305bdc;
/* rgb */ color: rgb(48, 91, 220);
/* oklch */ color: oklch(52.2% 0.203 265.6);

Tailwind

colors: {
  custom: {
    50: '#8388e8',
    500: '#305bdc',
    950: '#000000',
  },
}

SCSS

$custom: #305bdc;
$custom-light: #8388e8;
$custom-dark: #000000;

JSON

{
  "hex": "#305bdc",
  "rgb": {
    "r": 48,
    "g": 91,
    "b": 220
  },
  "hsl": {
    "h": 225,
    "s": 71.074,
    "l": 52.549
  },
  "oklch": {
    "l": 0.52183,
    "c": 0.20297,
    "h": 265.6
  },
  "luminance": 0.13278
}

Semantic roles & 50–950 ramp

primary

#305BDC

secondary

#D9C78F

accent

#C13AEE

background

#F8F8FE

surface

#F0EFFD

border

#CBCAD5

text

#0D0B16

muted

#7D7C84

Preview Lab

Preview with #305BDC

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

Preview Lab → · Contrast checker → · Palette generator →