#305EC7#305EC7

#305EC7 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.1% C 0.172 H 263.6°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#305EC7
RGB	rgb(48, 94, 199)
HSL	hsl(222, 61%, 48%)
HSV	hsv(222, 76%, 78%)
CMYK	cmyk(75.9%, 52.8%, 0%, 22%)
CIE-LAB	lab(42.39, 21.64, -59.24)
CIE-LCH	lch(42.39, 63.07, 290.06°)
OKLab	oklab(51.1% -0.019 -0.1706)
OKLCH	oklch(51.1% 0.172 263.6)
XYZ	xyz(15.5268, 12.7556, 55.6655)
Luminance	0.1276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305EC7 #C79930

analogous

#30A9C7 #305EC7 #4D30C7

triadic

#305EC7 #C7305E #5EC730

tetradic

#305EC7 #C730A9 #C79930 #30C74D

square

#305EC7 #C730A9 #C79930 #30C74D

split-complementary

#305EC7 #C74D30 #A9C730

monochromatic

#182F64 #244796 #305EC7 #5C82D8 #8EA8E4

Accessibility & contrast

On white

5.91

#305EC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#305EC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305EC7

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305EC7	#FFFFFF	#000000	##FFFFFF
##305EC7	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#106BCB

Deuteranopia (green-blind)

#005DC5

Tritanopia (blue-blind)

#007889

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #305ec7;
/* rgb */ color: rgb(48, 94, 199);
/* oklch */ color: oklch(51.1% 0.172 263.6);

Tailwind

colors: {
  custom: {
    50: '#7e8bd9',
    500: '#305ec7',
    950: '#000000',
  },
}

SCSS

$custom: #305ec7;
$custom-light: #7e8bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#305ec7",
  "rgb": {
    "r": 48,
    "g": 94,
    "b": 199
  },
  "hsl": {
    "h": 221.722,
    "s": 61.134,
    "l": 48.431
  },
  "oklch": {
    "l": 0.51099,
    "c": 0.17169,
    "h": 263.6
  },
  "luminance": 0.12757
}

Semantic roles & 50–950 ramp

primary

#305EC7

secondary

#CEB885

accent

#B344E4

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #305EC7

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

Preview Lab → · Contrast checker → · Palette generator →