#308EB5#308EB5

#308EB5 is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 60.9% C 0.104 H 229.9°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#308EB5
RGB	rgb(48, 142, 181)
HSL	hsl(198, 58%, 45%)
HSV	hsv(198, 73%, 71%)
CMYK	cmyk(73.5%, 21.5%, 0%, 29%)
CIE-LAB	lab(55.39, -14.19, -28.27)
CIE-LCH	lch(55.39, 31.63, 243.36°)
OKLab	oklab(60.93% -0.0669 -0.0794)
OKLCH	oklch(60.93% 0.104 229.9)
XYZ	xyz(19.2290, 23.3083, 47.1926)
Luminance	0.2331 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308EB5 #B55730

analogous

#30B59A #308EB5 #304BB5

triadic

#308EB5 #B5308E #8EB530

tetradic

#308EB5 #9A30B5 #B55730 #4BB530

square

#308EB5 #9A30B5 #B55730 #4BB530

split-complementary

#308EB5 #B5304B #B59A30

monochromatic

#164254 #236885 #308EB5 #51ABD1 #82C3DE

Accessibility & contrast

On white

3.71

#308EB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#308EB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308EB5

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308EB5	#FFFFFF	#000000	##000000
##308EB5	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8CB7

Deuteranopia (green-blind)

#687FB4

Tritanopia (blue-blind)

#00999B

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #308eb5;
/* rgb */ color: rgb(48, 142, 181);
/* oklch */ color: oklch(60.9% 0.104 229.9);

Tailwind

colors: {
  custom: {
    50: '#7bafcb',
    500: '#308eb5',
    950: '#000000',
  },
}

SCSS

$custom: #308eb5;
$custom-light: #7bafcb;
$custom-dark: #000000;

JSON

{
  "hex": "#308eb5",
  "rgb": {
    "r": 48,
    "g": 142,
    "b": 181
  },
  "hsl": {
    "h": 197.594,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.60933,
    "c": 0.10379,
    "h": 229.9
  },
  "luminance": 0.23311
}

Semantic roles & 50–950 ramp

primary

#308EB5

secondary

#C7907A

accent

#7446E1

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #308EB5

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

Preview Lab → · Contrast checker → · Palette generator →