#305BAB#305BAB

#305BAB is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.4% C 0.137 H 261.5°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#305BAB
RGB	rgb(48, 91, 171)
HSL	hsl(219, 56%, 43%)
HSV	hsv(219, 72%, 67%)
CMYK	cmyk(71.9%, 46.8%, 0%, 32.9%)
CIE-LAB	lab(39.66, 13.03, -47.27)
CIE-LCH	lch(39.66, 49.04, 285.41°)
OKLab	oklab(48.41% -0.0202 -0.1355)
OKLCH	oklch(48.41% 0.137 261.5)
XYZ	xyz(12.3081, 11.0495, 40.0043)
Luminance	0.1105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305BAB #AB8030

analogous

#3098AB #305BAB #4230AB

triadic

#305BAB #AB305B #5BAB30

tetradic

#305BAB #AB3098 #AB8030 #30AB42

square

#305BAB #AB3098 #AB8030 #30AB42

split-complementary

#305BAB #AB4230 #98AB30

monochromatic

#15284B #23427B #305BAB #4C79CD #7B9CDA

Accessibility & contrast

On white

6.54

#305BAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#305BAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305BAB

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305BAB	#FFFFFF	#000000	##FFFFFF
##305BAB	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3163AE

Deuteranopia (green-blind)

#1658A9

Tritanopia (blue-blind)

#006E7A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #305bab;
/* rgb */ color: rgb(48, 91, 171);
/* oklch */ color: oklch(48.4% 0.137 261.5);

Tailwind

colors: {
  custom: {
    50: '#7888c4',
    500: '#305bab',
    950: '#000000',
  },
}

SCSS

$custom: #305bab;
$custom-light: #7888c4;
$custom-dark: #000000;

JSON

{
  "hex": "#305bab",
  "rgb": {
    "r": 48,
    "g": 91,
    "b": 171
  },
  "hsl": {
    "h": 219.024,
    "s": 56.164,
    "l": 42.941
  },
  "oklch": {
    "l": 0.48412,
    "c": 0.13696,
    "h": 261.5
  },
  "luminance": 0.11051
}

Semantic roles & 50–950 ramp

primary

#305BAB

secondary

#C3A774

accent

#AB48DF

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #305BAB

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

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