#305ADB#305ADB

#305ADB is a mid, highly saturated blue. Relative luminance 0.131; OKLCH L 51.9% C 0.203 H 265.7°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#305ADB
RGB	rgb(48, 90, 219)
HSL	hsl(225, 70%, 52%)
HSV	hsv(225, 78%, 86%)
CMYK	cmyk(78.1%, 58.9%, 0%, 14.1%)
CIE-LAB	lab(42.84, 31.66, -70.00)
CIE-LCH	lch(42.84, 76.82, 294.34°)
OKLab	oklab(51.91% -0.0151 -0.2023)
OKLCH	oklch(51.91% 0.203 265.7)
XYZ	xyz(17.6568, 13.0531, 68.5930)
Luminance	0.1305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305ADB #DBB130

analogous

#30B0DB #305ADB #5B30DB

triadic

#305ADB #DB305A #5ADB30

tetradic

#305ADB #DB30B0 #DBB130 #30DB5B

square

#305ADB #DB30B0 #DBB130 #30DB5B

split-complementary

#305ADB #DB5B30 #B0DB30

monochromatic

#152E7B #1E42AF #305ADB #6484E4 #98ADED

Accessibility & contrast

On white

5.82

#305ADB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#305ADB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305ADB

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305ADB	#FFFFFF	#000000	##FFFFFF
##305ADB	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DDF

Deuteranopia (green-blind)

#005DD9

Tritanopia (blue-blind)

#007B92

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #305adb;
/* rgb */ color: rgb(48, 90, 219);
/* oklch */ color: oklch(51.9% 0.203 265.7);

Tailwind

colors: {
  custom: {
    50: '#8388e7',
    500: '#305adb',
    950: '#000000',
  },
}

SCSS

$custom: #305adb;
$custom-light: #8388e7;
$custom-dark: #000000;

JSON

{
  "hex": "#305adb",
  "rgb": {
    "r": 48,
    "g": 90,
    "b": 219
  },
  "hsl": {
    "h": 225.263,
    "s": 70.37,
    "l": 52.353
  },
  "oklch": {
    "l": 0.51909,
    "c": 0.20286,
    "h": 265.7
  },
  "luminance": 0.13055
}

Semantic roles & 50–950 ramp

primary

#305ADB

secondary

#D9C68E

accent

#C13BED

background

#F8F8FE

surface

#F0EFFD

border

#CBCAD5

text

#0C0B16

muted

#7D7C84

Preview Lab

Preview with #305ADB

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

Preview Lab → · Contrast checker → · Palette generator →