#305F8F#305F8F

#305F8F is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.6% C 0.094 H 250.8°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#305F8F
RGB	rgb(48, 95, 143)
HSL	hsl(210, 50%, 37%)
HSV	hsv(210, 66%, 56%)
CMYK	cmyk(66.4%, 33.6%, 0%, 43.9%)
CIE-LAB	lab(39.23, 0.05, -31.23)
CIE-LCH	lch(39.23, 31.23, 270.10°)
OKLab	oklab(47.55% -0.0307 -0.0884)
OKLCH	oklch(47.55% 0.094 250.8)
XYZ	xyz(10.2672, 10.7949, 27.5238)
Luminance	0.1080 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305F8F #8F6030

analogous

#308E8F #305F8F #31308F

triadic

#305F8F #8F305F #5F8F30

tetradic

#305F8F #8F308E #8F6030 #308F31

square

#305F8F #8F308E #8F6030 #308F31

split-complementary

#305F8F #8F3130 #8E8F30

monochromatic

#112233 #214161 #305F8F #3F7DBD #6C9CCE

Accessibility & contrast

On white

6.65

#305F8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#305F8F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305F8F

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305F8F	#FFFFFF	#000000	##FFFFFF
##305F8F	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A6191

Deuteranopia (green-blind)

#3D588E

Tritanopia (blue-blind)

#006A70

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #305f8f;
/* rgb */ color: rgb(48, 95, 143);
/* oklch */ color: oklch(47.6% 0.094 250.8);

Tailwind

colors: {
  custom: {
    50: '#738cb0',
    500: '#305f8f',
    950: '#000000',
  },
}

SCSS

$custom: #305f8f;
$custom-light: #738cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#305f8f",
  "rgb": {
    "r": 48,
    "g": 95,
    "b": 143
  },
  "hsl": {
    "h": 210.316,
    "s": 49.738,
    "l": 37.451
  },
  "oklch": {
    "l": 0.47551,
    "c": 0.09355,
    "h": 250.8
  },
  "luminance": 0.10796
}

Semantic roles & 50–950 ramp

primary

#305F8F

secondary

#B58E66

accent

#954FD9

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#090C10

muted

#7B7D7F

Preview Lab

Preview with #305F8F

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

Preview Lab → · Contrast checker → · Palette generator →