#307EC9#307EC9

#307EC9 is a mid, vivid cyan. Relative luminance 0.198; OKLCH L 58.2% C 0.138 H 250.8°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#307EC9
RGB	rgb(48, 126, 201)
HSL	hsl(209, 61%, 49%)
HSV	hsv(209, 76%, 79%)
CMYK	cmyk(76.1%, 37.3%, 0%, 21.2%)
CIE-LAB	lab(51.57, 2.22, -45.67)
CIE-LCH	lch(51.57, 45.72, 272.78°)
OKLab	oklab(58.22% -0.0454 -0.1302)
OKLCH	oklch(58.22% 0.138 250.8)
XYZ	xyz(19.2184, 19.7649, 58.0491)
Luminance	0.1977 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307EC9 #C97B30

analogous

#30C9C8 #307EC9 #3031C9

triadic

#307EC9 #C9307E #7EC930

tetradic

#307EC9 #C830C9 #C97B30 #31C930

square

#307EC9 #C830C9 #C97B30 #31C930

split-complementary

#307EC9 #C93031 #C9C830

monochromatic

#184066 #245F98 #307EC9 #5E9CD8 #8FBBE4

Accessibility & contrast

On white

4.24

#307EC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#307EC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307EC9

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307EC9	#FFFFFF	#000000	##000000
##307EC9	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B83CC

Deuteranopia (green-blind)

#4475C8

Tritanopia (blue-blind)

#00909A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #307ec9;
/* rgb */ color: rgb(48, 126, 201);
/* oklch */ color: oklch(58.2% 0.138 250.8);

Tailwind

colors: {
  custom: {
    50: '#7ea2da',
    500: '#307ec9',
    950: '#000000',
  },
}

SCSS

$custom: #307ec9;
$custom-light: #7ea2da;
$custom-dark: #000000;

JSON

{
  "hex": "#307ec9",
  "rgb": {
    "r": 48,
    "g": 126,
    "b": 201
  },
  "hsl": {
    "h": 209.412,
    "s": 61.446,
    "l": 48.824
  },
  "oklch": {
    "l": 0.58224,
    "c": 0.13785,
    "h": 250.8
  },
  "luminance": 0.19767
}

Semantic roles & 50–950 ramp

primary

#307EC9

secondary

#CFAA86

accent

#9243E5

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0F15

muted

#7C7E83

Preview Lab

Preview with #307EC9

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

Preview Lab → · Contrast checker → · Palette generator →