#305BBD#305BBD

#305BBD is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.7% C 0.162 H 263.7°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#305BBD
RGB	rgb(48, 91, 189)
HSL	hsl(222, 59%, 46%)
HSV	hsv(222, 75%, 74%)
CMYK	cmyk(74.6%, 51.9%, 0%, 25.9%)
CIE-LAB	lab(40.87, 19.82, -55.90)
CIE-LCH	lch(40.87, 59.31, 289.52°)
OKLab	oklab(49.72% -0.0177 -0.1609)
OKLCH	oklch(49.72% 0.162 263.7)
XYZ	xyz(14.1421, 11.7831, 49.6633)
Luminance	0.1178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305BBD #BD9230

analogous

#30A2BD #305BBD #4C30BD

triadic

#305BBD #BD305B #5BBD30

tetradic

#305BBD #BD30A2 #BD9230 #30BD4C

square

#305BBD #BD30A2 #BD9230 #30BD4C

split-complementary

#305BBD #BD4C30 #A2BD30

monochromatic

#172C5B #24448C #305BBD #567DD4 #87A2E0

Accessibility & contrast

On white

6.26

#305BBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#305BBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305BBD

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305BBD	#FFFFFF	#000000	##FFFFFF
##305BBD	1.00	6.26	3.36	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A67C1

Deuteranopia (green-blind)

#005ABB

Tritanopia (blue-blind)

#007383

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #305bbd;
/* rgb */ color: rgb(48, 91, 189);
/* oklch */ color: oklch(49.7% 0.162 263.7);

Tailwind

colors: {
  custom: {
    50: '#7c88d2',
    500: '#305bbd',
    950: '#000000',
  },
}

SCSS

$custom: #305bbd;
$custom-light: #7c88d2;
$custom-dark: #000000;

JSON

{
  "hex": "#305bbd",
  "rgb": {
    "r": 48,
    "g": 91,
    "b": 189
  },
  "hsl": {
    "h": 221.702,
    "s": 59.494,
    "l": 46.471
  },
  "oklch": {
    "l": 0.49719,
    "c": 0.16183,
    "h": 263.7
  },
  "luminance": 0.11785
}

Semantic roles & 50–950 ramp

primary

#305BBD

secondary

#CAB37F

accent

#B345E3

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #305BBD

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

Preview Lab → · Contrast checker → · Palette generator →