#308CCE#308CCE

#308CCE is a mid, vivid cyan. Relative luminance 0.238; OKLCH L 61.7% C 0.131 H 244.4°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#308CCE
RGB	rgb(48, 140, 206)
HSL	hsl(205, 62%, 50%)
HSV	hsv(205, 77%, 81%)
CMYK	cmyk(76.7%, 32%, 0%, 19.2%)
CIE-LAB	lab(55.93, -4.27, -41.62)
CIE-LCH	lch(55.93, 41.83, 264.14°)
OKLab	oklab(61.73% -0.0567 -0.1181)
OKLCH	oklch(61.73% 0.131 244.4)
XYZ	xyz(21.7333, 23.8382, 61.8364)
Luminance	0.2384 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308CCE #CE7230

analogous

#30CEC1 #308CCE #303DCE

triadic

#308CCE #CE308C #8CCE30

tetradic

#308CCE #C130CE #CE7230 #3DCE30

square

#308CCE #C130CE #CE7230 #3DCE30

split-complementary

#308CCE #CE303D #CEC130

monochromatic

#19496B #246A9C #308CCE #61A8DA #93C3E6

Accessibility & contrast

On white

3.64

#308CCE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#308CCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308CCE

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308CCE	#FFFFFF	#000000	##000000
##308CCE	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D8ED1

Deuteranopia (green-blind)

#577FCD

Tritanopia (blue-blind)

#009CA4

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #308cce;
/* rgb */ color: rgb(48, 140, 206);
/* oklch */ color: oklch(61.7% 0.131 244.4);

Tailwind

colors: {
  custom: {
    50: '#7faddd',
    500: '#308cce',
    950: '#000000',
  },
}

SCSS

$custom: #308cce;
$custom-light: #7faddd;
$custom-dark: #000000;

JSON

{
  "hex": "#308cce",
  "rgb": {
    "r": 48,
    "g": 140,
    "b": 206
  },
  "hsl": {
    "h": 205.063,
    "s": 62.205,
    "l": 49.804
  },
  "oklch": {
    "l": 0.61733,
    "c": 0.13099,
    "h": 244.4
  },
  "luminance": 0.23841
}

Semantic roles & 50–950 ramp

primary

#308CCE

secondary

#D1A789

accent

#8743E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #308CCE

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

Preview Lab → · Contrast checker → · Palette generator →