#308FB3#308FB3

#308FB3 is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 61.1% C 0.102 H 227.6°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#308FB3
RGB	rgb(48, 143, 179)
HSL	hsl(196, 58%, 45%)
HSV	hsv(196, 73%, 70%)
CMYK	cmyk(73.2%, 20.1%, 0%, 29.8%)
CIE-LAB	lab(55.61, -15.42, -26.79)
CIE-LCH	lch(55.61, 30.91, 240.08°)
OKLab	oklab(61.08% -0.0686 -0.0751)
OKLCH	oklch(61.08% 0.102 227.6)
XYZ	xyz(19.1748, 23.5257, 46.1694)
Luminance	0.2353 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308FB3 #B35430

analogous

#30B396 #308FB3 #304DB3

triadic

#308FB3 #B3308F #8FB330

tetradic

#308FB3 #9630B3 #B35430 #4DB330

square

#308FB3 #9630B3 #B35430 #4DB330

split-complementary

#308FB3 #B3304D #B39630

monochromatic

#164252 #236883 #308FB3 #50ADD0 #80C4DD

Accessibility & contrast

On white

3.68

#308FB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#308FB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308FB3

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308FB3	#FFFFFF	#000000	##000000
##308FB3	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8CB5

Deuteranopia (green-blind)

#6A80B3

Tritanopia (blue-blind)

#00999B

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #308fb3;
/* rgb */ color: rgb(48, 143, 179);
/* oklch */ color: oklch(61.1% 0.102 227.6);

Tailwind

colors: {
  custom: {
    50: '#7aafca',
    500: '#308fb3',
    950: '#000000',
  },
}

SCSS

$custom: #308fb3;
$custom-light: #7aafca;
$custom-dark: #000000;

JSON

{
  "hex": "#308fb3",
  "rgb": {
    "r": 48,
    "g": 143,
    "b": 179
  },
  "hsl": {
    "h": 196.489,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.61083,
    "c": 0.10174,
    "h": 227.6
  },
  "luminance": 0.23528
}

Semantic roles & 50–950 ramp

primary

#308FB3

secondary

#C68E79

accent

#7147E1

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #308FB3

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

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