#307E9C#307E9C

#307E9C is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.8% C 0.088 H 227.2°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#307E9C
RGB	rgb(48, 126, 156)
HSL	hsl(197, 53%, 40%)
HSV	hsv(197, 69%, 61%)
CMYK	cmyk(69.2%, 19.2%, 0%, 38.8%)
CIE-LAB	lab(49.43, -13.79, -23.05)
CIE-LCH	lch(49.43, 26.86, 239.11°)
OKLab	oklab(55.83% -0.0598 -0.0645)
OKLCH	oklch(55.83% 0.088 227.2)
XYZ	xyz(14.6781, 17.9488, 34.1369)
Luminance	0.1795 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307E9C #9C4E30

analogous

#309C84 #307E9C #30489C

triadic

#307E9C #9C307E #7E9C30

tetradic

#307E9C #84309C #9C4E30 #489C30

square

#307E9C #84309C #9C4E30 #489C30

split-complementary

#307E9C #9C3048 #9C8430

monochromatic

#13323E #22586D #307E9C #44A1C5 #73B9D4

Accessibility & contrast

On white

4.58

#307E9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#307E9C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307E9C

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307E9C	#FFFFFF	#000000	##000000
##307E9C	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7C9E

Deuteranopia (green-blind)

#5F719C

Tritanopia (blue-blind)

#008788

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #307e9c;
/* rgb */ color: rgb(48, 126, 156);
/* oklch */ color: oklch(55.8% 0.088 227.2);

Tailwind

colors: {
  custom: {
    50: '#76a3b9',
    500: '#307e9c',
    950: '#000000',
  },
}

SCSS

$custom: #307e9c;
$custom-light: #76a3b9;
$custom-dark: #000000;

JSON

{
  "hex": "#307e9c",
  "rgb": {
    "r": 48,
    "g": 126,
    "b": 156
  },
  "hsl": {
    "h": 196.667,
    "s": 52.941,
    "l": 40
  },
  "oklch": {
    "l": 0.55833,
    "c": 0.08796,
    "h": 227.2
  },
  "luminance": 0.1795
}

Semantic roles & 50–950 ramp

primary

#307E9C

secondary

#BC826C

accent

#744BDC

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #307E9C

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

Preview Lab → · Contrast checker → · Palette generator →