#307CB7#307CB7

#307CB7 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.7% C 0.118 H 245.6°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#307CB7
RGB	rgb(48, 124, 183)
HSL	hsl(206, 58%, 45%)
HSV	hsv(206, 74%, 72%)
CMYK	cmyk(73.8%, 32.2%, 0%, 28.2%)
CIE-LAB	lab(50.05, -3.15, -37.76)
CIE-LCH	lch(50.05, 37.89, 265.23°)
OKLab	oklab(56.73% -0.0485 -0.1071)
OKLCH	oklch(56.73% 0.118 245.6)
XYZ	xyz(16.9705, 18.4606, 47.4594)
Luminance	0.1846 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307CB7 #B76B30

analogous

#30B7AE #307CB7 #3038B7

triadic

#307CB7 #B7307C #7CB730

tetradic

#307CB7 #AE30B7 #B76B30 #38B730

square

#307CB7 #AE30B7 #B76B30 #38B730

split-complementary

#307CB7 #B73038 #B7AE30

monochromatic

#173A56 #235B87 #307CB7 #529AD2 #83B6DE

Accessibility & contrast

On white

4.48

#307CB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#307CB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307CB7

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307CB7	#FFFFFF	#000000	##000000
##307CB7	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#617EBA

Deuteranopia (green-blind)

#4E71B6

Tritanopia (blue-blind)

#008A91

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #307cb7;
/* rgb */ color: rgb(48, 124, 183);
/* oklch */ color: oklch(56.7% 0.118 245.6);

Tailwind

colors: {
  custom: {
    50: '#7aa1cd',
    500: '#307cb7',
    950: '#000000',
  },
}

SCSS

$custom: #307cb7;
$custom-light: #7aa1cd;
$custom-dark: #000000;

JSON

{
  "hex": "#307cb7",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 183
  },
  "hsl": {
    "h": 206.222,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.56726,
    "c": 0.11753,
    "h": 245.6
  },
  "luminance": 0.18463
}

Semantic roles & 50–950 ramp

primary

#307CB7

secondary

#C89D7B

accent

#8A46E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #307CB7

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

Preview Lab → · Contrast checker → · Palette generator →