#307CB9#307CB9

#307CB9 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.8% C 0.120 H 246.5°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#307CB9
RGB	rgb(48, 124, 185)
HSL	hsl(207, 59%, 46%)
HSV	hsv(207, 74%, 73%)
CMYK	cmyk(74.1%, 33%, 0%, 27.5%)
CIE-LAB	lab(50.15, -2.42, -38.76)
CIE-LCH	lch(50.15, 38.83, 266.42°)
OKLab	oklab(56.84% -0.0479 -0.11)
OKLCH	oklch(56.84% 0.12 246.5)
XYZ	xyz(17.1802, 18.5445, 48.5635)
Luminance	0.1855 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307CB9 #B96D30

analogous

#30B9B1 #307CB9 #3038B9

triadic

#307CB9 #B9307C #7CB930

tetradic

#307CB9 #B130B9 #B96D30 #38B930

square

#307CB9 #B130B9 #B96D30 #38B930

split-complementary

#307CB9 #B93038 #B9B130

monochromatic

#173B58 #235B88 #307CB9 #549AD3 #84B7DF

Accessibility & contrast

On white

4.46

#307CB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#307CB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307CB9

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307CB9	#FFFFFF	#000000	##000000
##307CB9	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#607EBC

Deuteranopia (green-blind)

#4D72B8

Tritanopia (blue-blind)

#008B92

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #307cb9;
/* rgb */ color: rgb(48, 124, 185);
/* oklch */ color: oklch(56.8% 0.120 246.5);

Tailwind

colors: {
  custom: {
    50: '#7aa1ce',
    500: '#307cb9',
    950: '#000000',
  },
}

SCSS

$custom: #307cb9;
$custom-light: #7aa1ce;
$custom-dark: #000000;

JSON

{
  "hex": "#307cb9",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 185
  },
  "hsl": {
    "h": 206.715,
    "s": 58.798,
    "l": 45.686
  },
  "oklch": {
    "l": 0.56837,
    "c": 0.11994,
    "h": 246.5
  },
  "luminance": 0.18546
}

Semantic roles & 50–950 ramp

primary

#307CB9

secondary

#C99E7C

accent

#8B46E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #307CB9

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

Preview Lab → · Contrast checker → · Palette generator →