#303DCE#303DCE

#303DCE is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.7% C 0.219 H 270.3°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#303DCE
RGB	rgb(48, 61, 206)
HSL	hsl(235, 62%, 50%)
HSV	hsv(235, 77%, 81%)
CMYK	cmyk(76.7%, 70.4%, 0%, 19.2%)
CIE-LAB	lab(34.84, 45.06, -75.64)
CIE-LCH	lch(34.84, 88.04, 300.78°)
OKLab	oklab(45.69% 0.0012 -0.219)
OKLCH	oklch(45.69% 0.219 270.3)
XYZ	xyz(14.0244, 8.4205, 59.2667)
Luminance	0.0842 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303DCE #CEC130

analogous

#308CCE #303DCE #7230CE

triadic

#303DCE #CE303D #3DCE30

tetradic

#303DCE #CE308C #CEC130 #30CE72

square

#303DCE #CE308C #CEC130 #30CE72

split-complementary

#303DCE #CE7230 #8CCE30

monochromatic

#19206B #242E9C #303DCE #616BDA #9399E6

Accessibility & contrast

On white

7.82

#303DCE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#303DCE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303DCE

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303DCE	#FFFFFF	#000000	##FFFFFF
##303DCE	1.00	7.82	2.68	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AD2

Deuteranopia (green-blind)

#004ACB

Tritanopia (blue-blind)

#006681

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #303dce;
/* rgb */ color: rgb(48, 61, 206);
/* oklch */ color: oklch(45.7% 0.219 270.3);

Tailwind

colors: {
  custom: {
    50: '#8273de',
    500: '#303dce',
    950: '#000000',
  },
}

SCSS

$custom: #303dce;
$custom-light: #8273de;
$custom-dark: #000000;

JSON

{
  "hex": "#303dce",
  "rgb": {
    "r": 48,
    "g": 61,
    "b": 206
  },
  "hsl": {
    "h": 235.063,
    "s": 62.205,
    "l": 49.804
  },
  "oklch": {
    "l": 0.45688,
    "c": 0.219,
    "h": 270.3
  },
  "luminance": 0.08422
}

Semantic roles & 50–950 ramp

primary

#303DCE

secondary

#D1CB89

accent

#D843E5

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #303DCE

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

Preview Lab → · Contrast checker → · Palette generator →