#305EC9#305EC9

#305EC9 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.3% C 0.174 H 263.8°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#305EC9
RGB	rgb(48, 94, 201)
HSL	hsl(222, 61%, 49%)
HSV	hsv(222, 76%, 79%)
CMYK	cmyk(76.1%, 53.2%, 0%, 21.2%)
CIE-LAB	lab(42.53, 22.39, -60.17)
CIE-LCH	lch(42.53, 64.20, 290.41°)
OKLab	oklab(51.25% -0.0188 -0.1734)
OKLCH	oklch(51.25% 0.174 263.8)
XYZ	xyz(15.7605, 12.8491, 56.8965)
Luminance	0.1285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305EC9 #C99B30

analogous

#30ABC9 #305EC9 #4F30C9

triadic

#305EC9 #C9305E #5EC930

tetradic

#305EC9 #C930AB #C99B30 #30C94F

square

#305EC9 #C930AB #C99B30 #30C94F

split-complementary

#305EC9 #C94F30 #ABC930

monochromatic

#183066 #244798 #305EC9 #5E83D8 #8FA9E4

Accessibility & contrast

On white

5.88

#305EC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#305EC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305EC9

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305EC9	#FFFFFF	#000000	##FFFFFF
##305EC9	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#096CCD

Deuteranopia (green-blind)

#005EC7

Tritanopia (blue-blind)

#00788A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #305ec9;
/* rgb */ color: rgb(48, 94, 201);
/* oklch */ color: oklch(51.3% 0.174 263.8);

Tailwind

colors: {
  custom: {
    50: '#7e8bda',
    500: '#305ec9',
    950: '#000000',
  },
}

SCSS

$custom: #305ec9;
$custom-light: #7e8bda;
$custom-dark: #000000;

JSON

{
  "hex": "#305ec9",
  "rgb": {
    "r": 48,
    "g": 94,
    "b": 201
  },
  "hsl": {
    "h": 221.961,
    "s": 61.446,
    "l": 48.824
  },
  "oklch": {
    "l": 0.51252,
    "c": 0.17438,
    "h": 263.8
  },
  "luminance": 0.12851
}

Semantic roles & 50–950 ramp

primary

#305EC9

secondary

#CFB986

accent

#B443E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #305EC9

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

Preview Lab → · Contrast checker → · Palette generator →