#307ECE#307ECE

#307ECE is a mid, vivid cyan. Relative luminance 0.200; OKLCH L 58.5% C 0.144 H 252.2°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#307ECE
RGB	rgb(48, 126, 206)
HSL	hsl(210, 62%, 50%)
HSV	hsv(210, 77%, 81%)
CMYK	cmyk(76.7%, 38.8%, 0%, 19.2%)
CIE-LAB	lab(51.84, 4.06, -48.08)
CIE-LCH	lch(51.84, 48.25, 274.83°)
OKLab	oklab(58.53% -0.0442 -0.1372)
OKLCH	oklch(58.53% 0.144 252.2)
XYZ	xyz(19.8162, 20.0040, 61.1973)
Luminance	0.2001 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307ECE #CE8030

analogous

#30CDCE #307ECE #3130CE

triadic

#307ECE #CE307E #7ECE30

tetradic

#307ECE #CE30CD #CE8030 #30CE31

square

#307ECE #CE30CD #CE8030 #30CE31

split-complementary

#307ECE #CE3130 #CDCE30

monochromatic

#19416B #24609C #307ECE #619DDA #93BCE6

Accessibility & contrast

On white

4.20

#307ECE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#307ECE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307ECE

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307ECE	#FFFFFF	#000000	##000000
##307ECE	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5883D1

Deuteranopia (green-blind)

#3F75CC

Tritanopia (blue-blind)

#00919C

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #307ece;
/* rgb */ color: rgb(48, 126, 206);
/* oklch */ color: oklch(58.5% 0.144 252.2);

Tailwind

colors: {
  custom: {
    50: '#7ea2dd',
    500: '#307ece',
    950: '#000000',
  },
}

SCSS

$custom: #307ece;
$custom-light: #7ea2dd;
$custom-dark: #000000;

JSON

{
  "hex": "#307ece",
  "rgb": {
    "r": 48,
    "g": 126,
    "b": 206
  },
  "hsl": {
    "h": 210.38,
    "s": 62.205,
    "l": 49.804
  },
  "oklch": {
    "l": 0.58525,
    "c": 0.14416,
    "h": 252.2
  },
  "luminance": 0.20006
}

Semantic roles & 50–950 ramp

primary

#307ECE

secondary

#D1AD89

accent

#9543E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0B0F15

muted

#7C7E83

Preview Lab

Preview with #307ECE

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

Preview Lab → · Contrast checker → · Palette generator →