#305AAC#305AAC

#305AAC is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.3% C 0.140 H 262.1°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#305AAC
RGB	rgb(48, 90, 172)
HSL	hsl(220, 56%, 43%)
HSV	hsv(220, 72%, 67%)
CMYK	cmyk(72.1%, 47.7%, 0%, 32.5%)
CIE-LAB	lab(39.44, 14.06, -48.22)
CIE-LCH	lch(39.44, 50.23, 286.26°)
OKLab	oklab(48.26% -0.0191 -0.1383)
OKLCH	oklch(48.26% 0.14 262.1)
XYZ	xyz(12.3188, 10.9180, 40.4799)
Luminance	0.1092 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305AAC #AC8230

analogous

#3098AC #305AAC #4430AC

triadic

#305AAC #AC305A #5AAC30

tetradic

#305AAC #AC3098 #AC8230 #30AC44

square

#305AAC #AC3098 #AC8230 #30AC44

split-complementary

#305AAC #AC4430 #98AC30

monochromatic

#15284C #23417C #305AAC #4C78CD #7C9CDA

Accessibility & contrast

On white

6.60

#305AAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#305AAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305AAC

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305AAC	#FFFFFF	#000000	##FFFFFF
##305AAC	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E63AF

Deuteranopia (green-blind)

#0F58AA

Tritanopia (blue-blind)

#006D7A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #305aac;
/* rgb */ color: rgb(48, 90, 172);
/* oklch */ color: oklch(48.3% 0.140 262.1);

Tailwind

colors: {
  custom: {
    50: '#7888c5',
    500: '#305aac',
    950: '#000000',
  },
}

SCSS

$custom: #305aac;
$custom-light: #7888c5;
$custom-dark: #000000;

JSON

{
  "hex": "#305aac",
  "rgb": {
    "r": 48,
    "g": 90,
    "b": 172
  },
  "hsl": {
    "h": 219.677,
    "s": 56.364,
    "l": 43.137
  },
  "oklch": {
    "l": 0.48262,
    "c": 0.13959,
    "h": 262.1
  },
  "luminance": 0.10919
}

Semantic roles & 50–950 ramp

primary

#305AAC

secondary

#C3A975

accent

#AC48E0

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #305AAC

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

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