#308EB7#308EB7

#308EB7 is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 61.0% C 0.106 H 231.2°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#308EB7
RGB	rgb(48, 142, 183)
HSL	hsl(198, 58%, 45%)
HSV	hsv(198, 74%, 72%)
CMYK	cmyk(73.8%, 22.4%, 0%, 28.2%)
CIE-LAB	lab(55.47, -13.50, -29.28)
CIE-LCH	lch(55.47, 32.25, 245.25°)
OKLab	oklab(61.03% -0.0661 -0.0823)
OKLCH	oklch(61.03% 0.106 231.2)
XYZ	xyz(19.4357, 23.3910, 48.2812)
Luminance	0.2339 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308EB7 #B75930

analogous

#30B79C #308EB7 #304AB7

triadic

#308EB7 #B7308E #8EB730

tetradic

#308EB7 #9C30B7 #B75930 #4AB730

square

#308EB7 #9C30B7 #B75930 #4AB730

split-complementary

#308EB7 #B7304A #B79C30

monochromatic

#174356 #236887 #308EB7 #52ABD2 #83C3DE

Accessibility & contrast

On white

3.70

#308EB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.68

#308EB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308EB7

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308EB7	#FFFFFF	#000000	##000000
##308EB7	1.00	3.70	5.68	5.68
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.68	21.00	1.00	1.00
##000000	5.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798CB9

Deuteranopia (green-blind)

#677FB6

Tritanopia (blue-blind)

#00999C

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #308eb7;
/* rgb */ color: rgb(48, 142, 183);
/* oklch */ color: oklch(61.0% 0.106 231.2);

Tailwind

colors: {
  custom: {
    50: '#7bafcc',
    500: '#308eb7',
    950: '#000000',
  },
}

SCSS

$custom: #308eb7;
$custom-light: #7bafcc;
$custom-dark: #000000;

JSON

{
  "hex": "#308eb7",
  "rgb": {
    "r": 48,
    "g": 142,
    "b": 183
  },
  "hsl": {
    "h": 198.222,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.61028,
    "c": 0.10558,
    "h": 231.2
  },
  "luminance": 0.23393
}

Semantic roles & 50–950 ramp

primary

#308EB7

secondary

#C8927B

accent

#7546E2

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #308EB7

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

Preview Lab → · Contrast checker → · Palette generator →