#305C8B#305C8B

#305C8B is a mid, moderate cyan. Relative luminance 0.101; OKLCH L 46.6% C 0.091 H 251.7°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#305C8B
RGB	rgb(48, 92, 139)
HSL	hsl(211, 49%, 37%)
HSV	hsv(211, 65%, 55%)
CMYK	cmyk(65.5%, 33.8%, 0%, 45.5%)
CIE-LAB	lab(38.10, 0.49, -30.59)
CIE-LCH	lch(38.10, 30.59, 270.92°)
OKLab	oklab(46.6% -0.0286 -0.0865)
OKLCH	oklch(46.6% 0.091 251.7)
XYZ	xyz(9.7046, 10.1458, 25.8680)
Luminance	0.1015 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305C8B #8B5F30

analogous

#308A8B #305C8B #32308B

triadic

#305C8B #8B305C #5C8B30

tetradic

#305C8B #8B308A #8B5F30 #308B32

square

#305C8B #8B308A #8B5F30 #308B32

split-complementary

#305C8B #8B3230 #8A8B30

monochromatic

#112030 #203E5E #305C8B #407AB8 #6A99CC

Accessibility & contrast

On white

6.93

#305C8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#305C8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305C8B

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305C8B	#FFFFFF	#000000	##FFFFFF
##305C8B	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)

#485E8D

Deuteranopia (green-blind)

#3B568A

Tritanopia (blue-blind)

#00676D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #305c8b;
/* rgb */ color: rgb(48, 92, 139);
/* oklch */ color: oklch(46.6% 0.091 251.7);

Tailwind

colors: {
  custom: {
    50: '#7289ad',
    500: '#305c8b',
    950: '#000000',
  },
}

SCSS

$custom: #305c8b;
$custom-light: #7289ad;
$custom-dark: #000000;

JSON

{
  "hex": "#305c8b",
  "rgb": {
    "r": 48,
    "g": 92,
    "b": 139
  },
  "hsl": {
    "h": 210.989,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.46597,
    "c": 0.09113,
    "h": 251.7
  },
  "luminance": 0.10147
}

Semantic roles & 50–950 ramp

primary

#305C8B

secondary

#B38D64

accent

#9650D8

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080B10

muted

#7B7C7F

Preview Lab

Preview with #305C8B

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

Preview Lab → · Contrast checker → · Palette generator →