#305AC0#305AC0

#305AC0 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.7% C 0.167 H 264.3°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#305AC0
RGB	rgb(48, 90, 192)
HSL	hsl(223, 60%, 47%)
HSV	hsv(223, 75%, 75%)
CMYK	cmyk(75%, 53.1%, 0%, 24.7%)
CIE-LAB	lab(40.81, 21.60, -57.75)
CIE-LCH	lch(40.81, 61.66, 290.51°)
OKLab	oklab(49.74% -0.0166 -0.1663)
OKLCH	oklch(49.74% 0.167 264.3)
XYZ	xyz(14.3861, 11.7449, 51.3678)
Luminance	0.1175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305AC0 #C09630

analogous

#30A2C0 #305AC0 #4E30C0

triadic

#305AC0 #C0305A #5AC030

tetradic

#305AC0 #C030A2 #C09630 #30C04E

square

#305AC0 #C030A2 #C09630 #30C04E

split-complementary

#305AC0 #C04E30 #A2C030

monochromatic

#182C5E #24438F #305AC0 #587DD5 #89A3E1

Accessibility & contrast

On white

6.27

#305AC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#305AC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305AC0

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305AC0	#FFFFFF	#000000	##FFFFFF
##305AC0	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D67C4

Deuteranopia (green-blind)

#005ABE

Tritanopia (blue-blind)

#007384

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #305ac0;
/* rgb */ color: rgb(48, 90, 192);
/* oklch */ color: oklch(49.7% 0.167 264.3);

Tailwind

colors: {
  custom: {
    50: '#7d88d4',
    500: '#305ac0',
    950: '#000000',
  },
}

SCSS

$custom: #305ac0;
$custom-light: #7d88d4;
$custom-dark: #000000;

JSON

{
  "hex": "#305ac0",
  "rgb": {
    "r": 48,
    "g": 90,
    "b": 192
  },
  "hsl": {
    "h": 222.5,
    "s": 60,
    "l": 47.059
  },
  "oklch": {
    "l": 0.49739,
    "c": 0.16714,
    "h": 264.3
  },
  "luminance": 0.11746
}

Semantic roles & 50–950 ramp

primary

#305AC0

secondary

#CBB580

accent

#B545E3

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #305AC0

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

Preview Lab → · Contrast checker → · Palette generator →