#308FB9#308FB9

#308FB9 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.4% C 0.107 H 231.6°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#308FB9
RGB	rgb(48, 143, 185)
HSL	hsl(198, 59%, 46%)
HSV	hsv(198, 74%, 73%)
CMYK	cmyk(74.1%, 22.7%, 0%, 27.5%)
CIE-LAB	lab(55.86, -13.37, -29.82)
CIE-LCH	lch(55.86, 32.68, 245.85°)
OKLab	oklab(61.37% -0.0664 -0.0838)
OKLCH	oklch(61.37% 0.107 231.6)
XYZ	xyz(19.7948, 23.7738, 49.4351)
Luminance	0.2378 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308FB9 #B95A30

analogous

#30B99E #308FB9 #304BB9

triadic

#308FB9 #B9308F #8FB930

tetradic

#308FB9 #9E30B9 #B95A30 #4BB930

square

#308FB9 #9E30B9 #B95A30 #4BB930

split-complementary

#308FB9 #B9304B #B99E30

monochromatic

#174458 #236988 #308FB9 #54ACD3 #84C3DF

Accessibility & contrast

On white

3.65

#308FB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#308FB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308FB9

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308FB9	#FFFFFF	#000000	##000000
##308FB9	1.00	3.65	5.76	5.76
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8DBB

Deuteranopia (green-blind)

#6780B8

Tritanopia (blue-blind)

#009A9D

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #308fb9;
/* rgb */ color: rgb(48, 143, 185);
/* oklch */ color: oklch(61.4% 0.107 231.6);

Tailwind

colors: {
  custom: {
    50: '#7bafce',
    500: '#308fb9',
    950: '#000000',
  },
}

SCSS

$custom: #308fb9;
$custom-light: #7bafce;
$custom-dark: #000000;

JSON

{
  "hex": "#308fb9",
  "rgb": {
    "r": 48,
    "g": 143,
    "b": 185
  },
  "hsl": {
    "h": 198.394,
    "s": 58.798,
    "l": 45.686
  },
  "oklch": {
    "l": 0.61366,
    "c": 0.10695,
    "h": 231.6
  },
  "luminance": 0.23776
}

Semantic roles & 50–950 ramp

primary

#308FB9

secondary

#C9947C

accent

#7646E2

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #308FB9

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

Preview Lab → · Contrast checker → · Palette generator →