#307CB5#307CB5

#307CB5 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.6% C 0.115 H 244.8°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#307CB5
RGB	rgb(48, 124, 181)
HSL	hsl(206, 58%, 45%)
HSV	hsv(206, 73%, 71%)
CMYK	cmyk(73.5%, 31.5%, 0%, 29%)
CIE-LAB	lab(49.95, -3.87, -36.76)
CIE-LCH	lch(49.95, 36.97, 263.99°)
OKLab	oklab(56.62% -0.0491 -0.1041)
OKLCH	oklch(56.62% 0.115 244.8)
XYZ	xyz(16.7639, 18.3780, 46.3709)
Luminance	0.1838 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307CB5 #B56930

analogous

#30B5AB #307CB5 #303AB5

triadic

#307CB5 #B5307C #7CB530

tetradic

#307CB5 #AB30B5 #B56930 #3AB530

square

#307CB5 #AB30B5 #B56930 #3AB530

split-complementary

#307CB5 #B5303A #B5AB30

monochromatic

#163A54 #235B85 #307CB5 #519AD1 #82B6DE

Accessibility & contrast

On white

4.49

#307CB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#307CB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307CB5

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307CB5	#FFFFFF	#000000	##000000
##307CB5	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#627EB7

Deuteranopia (green-blind)

#4F71B4

Tritanopia (blue-blind)

#008A90

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #307cb5;
/* rgb */ color: rgb(48, 124, 181);
/* oklch */ color: oklch(56.6% 0.115 244.8);

Tailwind

colors: {
  custom: {
    50: '#7aa1cb',
    500: '#307cb5',
    950: '#000000',
  },
}

SCSS

$custom: #307cb5;
$custom-light: #7aa1cb;
$custom-dark: #000000;

JSON

{
  "hex": "#307cb5",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 181
  },
  "hsl": {
    "h": 205.714,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.56615,
    "c": 0.11514,
    "h": 244.8
  },
  "luminance": 0.1838
}

Semantic roles & 50–950 ramp

primary

#307CB5

secondary

#C79B7A

accent

#8946E1

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #307CB5

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

Preview Lab → · Contrast checker → · Palette generator →