#305B91#305B91

#305B91 is a mid, moderate cyan. Relative luminance 0.102; OKLCH L 46.7% C 0.100 H 255.1°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#305B91
RGB	rgb(48, 91, 145)
HSL	hsl(213, 50%, 38%)
HSV	hsv(213, 67%, 57%)
CMYK	cmyk(66.9%, 37.2%, 0%, 43.1%)
CIE-LAB	lab(38.12, 3.32, -34.20)
CIE-LCH	lch(38.12, 34.36, 275.55°)
OKLab	oklab(46.71% -0.0258 -0.0971)
OKLCH	oklch(46.71% 0.1 255.1)
XYZ	xyz(10.0690, 10.1539, 28.2118)
Luminance	0.1016 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305B91 #916630

analogous

#308B91 #305B91 #353091

triadic

#305B91 #91305B #5B9130

tetradic

#305B91 #91308B #916630 #309135

square

#305B91 #91308B #916630 #309135

split-complementary

#305B91 #913530 #8B9130

monochromatic

#122135 #213E63 #305B91 #3F78BF #6D98CF

Accessibility & contrast

On white

6.93

#305B91 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#305B91 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305B91

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305B91	#FFFFFF	#000000	##FFFFFF
##305B91	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#435F93

Deuteranopia (green-blind)

#365690

Tritanopia (blue-blind)

#00676F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #305b91;
/* rgb */ color: rgb(48, 91, 145);
/* oklch */ color: oklch(46.7% 0.100 255.1);

Tailwind

colors: {
  custom: {
    50: '#7389b1',
    500: '#305b91',
    950: '#000000',
  },
}

SCSS

$custom: #305b91;
$custom-light: #7389b1;
$custom-dark: #000000;

JSON

{
  "hex": "#305b91",
  "rgb": {
    "r": 48,
    "g": 91,
    "b": 145
  },
  "hsl": {
    "h": 213.402,
    "s": 50.259,
    "l": 37.843
  },
  "oklch": {
    "l": 0.46713,
    "c": 0.10045,
    "h": 255.1
  },
  "luminance": 0.10155
}

Semantic roles & 50–950 ramp

primary

#305B91

secondary

#B69367

accent

#9C4EDA

background

#F7F8FA

surface

#EDEFF5

border

#C8CACF

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #305B91

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

Preview Lab → · Contrast checker → · Palette generator →