#305F8D#305F8D

#305F8D is a mid, moderate cyan. Relative luminance 0.107; OKLCH L 47.4% C 0.091 H 249.9°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#305F8D
RGB	rgb(48, 95, 141)
HSL	hsl(210, 49%, 37%)
HSV	hsv(210, 66%, 55%)
CMYK	cmyk(66%, 32.6%, 0%, 44.7%)
CIE-LAB	lab(39.13, -0.67, -30.18)
CIE-LCH	lch(39.13, 30.19, 268.73°)
OKLab	oklab(47.44% -0.0313 -0.0853)
OKLCH	oklch(47.44% 0.091 249.9)
XYZ	xyz(10.1171, 10.7349, 26.7330)
Luminance	0.1074 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305F8D #8D5E30

analogous

#308D8C #305F8D #30318D

triadic

#305F8D #8D305F #5F8D30

tetradic

#305F8D #8C308D #8D5E30 #318D30

square

#305F8D #8C308D #8D5E30 #318D30

split-complementary

#305F8D #8D3031 #8D8C30

monochromatic

#112132 #20405F #305F8D #407EBB #6B9CCD

Accessibility & contrast

On white

6.67

#305F8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#305F8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305F8D

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305F8D	#FFFFFF	#000000	##FFFFFF
##305F8D	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B618F

Deuteranopia (green-blind)

#3E588C

Tritanopia (blue-blind)

#006A6F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #305f8d;
/* rgb */ color: rgb(48, 95, 141);
/* oklch */ color: oklch(47.4% 0.091 249.9);

Tailwind

colors: {
  custom: {
    50: '#728cae',
    500: '#305f8d',
    950: '#000000',
  },
}

SCSS

$custom: #305f8d;
$custom-light: #728cae;
$custom-dark: #000000;

JSON

{
  "hex": "#305f8d",
  "rgb": {
    "r": 48,
    "g": 95,
    "b": 141
  },
  "hsl": {
    "h": 209.677,
    "s": 49.206,
    "l": 37.059
  },
  "oklch": {
    "l": 0.47437,
    "c": 0.09089,
    "h": 249.9
  },
  "luminance": 0.10736
}

Semantic roles & 50–950 ramp

primary

#305F8D

secondary

#B48C65

accent

#934FD9

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#090C10

muted

#7B7D7F

Preview Lab

Preview with #305F8D

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

Preview Lab → · Contrast checker → · Palette generator →