#305EDB#305EDB

#305EDB is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.7% C 0.198 H 264.9°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#305EDB
RGB	rgb(48, 94, 219)
HSL	hsl(224, 70%, 52%)
HSV	hsv(224, 78%, 86%)
CMYK	cmyk(78.1%, 57.1%, 0%, 14.1%)
CIE-LAB	lab(43.87, 29.10, -68.33)
CIE-LCH	lch(43.87, 74.27, 293.07°)
OKLab	oklab(52.68% -0.0176 -0.1973)
OKLCH	oklch(52.68% 0.198 264.9)
XYZ	xyz(18.0033, 13.7462, 68.7085)
Luminance	0.1375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305EDB #DBAD30

analogous

#30B3DB #305EDB #5830DB

triadic

#305EDB #DB305E #5EDB30

tetradic

#305EDB #DB30B3 #DBAD30 #30DB58

square

#305EDB #DB30B3 #DBAD30 #30DB58

split-complementary

#305EDB #DB5830 #B3DB30

monochromatic

#15317B #1E45AF #305EDB #6487E4 #98AFED

Accessibility & contrast

On white

5.60

#305EDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#305EDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305EDB

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305EDB	#FFFFFF	#000000	##FFFFFF
##305EDB	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070DF

Deuteranopia (green-blind)

#0060D9

Tritanopia (blue-blind)

#007D93

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #305edb;
/* rgb */ color: rgb(48, 94, 219);
/* oklch */ color: oklch(52.7% 0.198 264.9);

Tailwind

colors: {
  custom: {
    50: '#828be7',
    500: '#305edb',
    950: '#000000',
  },
}

SCSS

$custom: #305edb;
$custom-light: #828be7;
$custom-dark: #000000;

JSON

{
  "hex": "#305edb",
  "rgb": {
    "r": 48,
    "g": 94,
    "b": 219
  },
  "hsl": {
    "h": 223.86,
    "s": 70.37,
    "l": 52.353
  },
  "oklch": {
    "l": 0.52676,
    "c": 0.19813,
    "h": 264.9
  },
  "luminance": 0.13748
}

Semantic roles & 50–950 ramp

primary

#305EDB

secondary

#D9C58E

accent

#BD3BED

background

#F8F8FE

surface

#F0F0FD

border

#CBCBD5

text

#0C0B16

muted

#7D7C84

Preview Lab

Preview with #305EDB

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

Preview Lab → · Contrast checker → · Palette generator →