#305FBD#305FBD

#305FBD is a mid, vivid blue. Relative luminance 0.125; OKLCH L 50.6% C 0.157 H 262.3°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#305FBD
RGB	rgb(48, 95, 189)
HSL	hsl(220, 59%, 46%)
HSV	hsv(220, 75%, 74%)
CMYK	cmyk(74.6%, 49.7%, 0%, 25.9%)
CIE-LAB	lab(41.98, 17.22, -54.11)
CIE-LCH	lch(41.98, 56.79, 287.65°)
OKLab	oklab(50.56% -0.021 -0.1555)
OKLCH	oklch(50.56% 0.157 262.3)
XYZ	xyz(14.4932, 12.4853, 49.7803)
Luminance	0.1249 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305FBD #BD8E30

analogous

#30A6BD #305FBD #4830BD

triadic

#305FBD #BD305F #5FBD30

tetradic

#305FBD #BD30A6 #BD8E30 #30BD48

square

#305FBD #BD30A6 #BD8E30 #30BD48

split-complementary

#305FBD #BD4830 #A6BD30

monochromatic

#172E5B #24468C #305FBD #5680D4 #87A5E0

Accessibility & contrast

On white

6.00

#305FBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#305FBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305FBD

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305FBD	#FFFFFF	#000000	##FFFFFF
##305FBD	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#276AC0

Deuteranopia (green-blind)

#005DBB

Tritanopia (blue-blind)

#007585

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #305fbd;
/* rgb */ color: rgb(48, 95, 189);
/* oklch */ color: oklch(50.6% 0.157 262.3);

Tailwind

colors: {
  custom: {
    50: '#7c8bd1',
    500: '#305fbd',
    950: '#000000',
  },
}

SCSS

$custom: #305fbd;
$custom-light: #7c8bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#305fbd",
  "rgb": {
    "r": 48,
    "g": 95,
    "b": 189
  },
  "hsl": {
    "h": 220,
    "s": 59.494,
    "l": 46.471
  },
  "oklch": {
    "l": 0.50563,
    "c": 0.15693,
    "h": 262.3
  },
  "luminance": 0.12487
}

Semantic roles & 50–950 ramp

primary

#305FBD

secondary

#CAB17F

accent

#AE45E3

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #305FBD

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

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