#308EB4#308EB4

#308EB4 is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 60.9% C 0.103 H 229.2°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#308EB4
RGB	rgb(48, 142, 180)
HSL	hsl(197, 58%, 45%)
HSV	hsv(197, 73%, 71%)
CMYK	cmyk(73.3%, 21.1%, 0%, 29.4%)
CIE-LAB	lab(55.35, -14.53, -27.77)
CIE-LCH	lch(55.35, 31.34, 242.38°)
OKLab	oklab(60.89% -0.0672 -0.0779)
OKLCH	oklch(60.89% 0.103 229.2)
XYZ	xyz(19.1268, 23.2674, 46.6542)
Luminance	0.2327 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308EB4 #B45630

analogous

#30B498 #308EB4 #304CB4

triadic

#308EB4 #B4308E #8EB430

tetradic

#308EB4 #9830B4 #B45630 #4CB430

square

#308EB4 #9830B4 #B45630 #4CB430

split-complementary

#308EB4 #B4304C #B49830

monochromatic

#164253 #236884 #308EB4 #51ACD1 #81C3DD

Accessibility & contrast

On white

3.71

#308EB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#308EB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308EB4

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308EB4	#FFFFFF	#000000	##000000
##308EB4	1.00	3.71	5.65	5.65
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8CB6

Deuteranopia (green-blind)

#687FB3

Tritanopia (blue-blind)

#00999B

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #308eb4;
/* rgb */ color: rgb(48, 142, 180);
/* oklch */ color: oklch(60.9% 0.103 229.2);

Tailwind

colors: {
  custom: {
    50: '#7aafca',
    500: '#308eb4',
    950: '#000000',
  },
}

SCSS

$custom: #308eb4;
$custom-light: #7aafca;
$custom-dark: #000000;

JSON

{
  "hex": "#308eb4",
  "rgb": {
    "r": 48,
    "g": 142,
    "b": 180
  },
  "hsl": {
    "h": 197.273,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.60886,
    "c": 0.10293,
    "h": 229.2
  },
  "luminance": 0.2327
}

Semantic roles & 50–950 ramp

primary

#308EB4

secondary

#C69079

accent

#7347E1

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #308EB4

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

Preview Lab → · Contrast checker → · Palette generator →