#307F9E#307F9E

#307F9E is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.2% C 0.089 H 227.7°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#307F9E
RGB	rgb(48, 127, 158)
HSL	hsl(197, 53%, 40%)
HSV	hsv(197, 70%, 62%)
CMYK	cmyk(69.6%, 19.6%, 0%, 38%)
CIE-LAB	lab(49.83, -13.67, -23.61)
CIE-LCH	lch(49.83, 27.28, 239.93°)
OKLab	oklab(56.17% -0.0601 -0.0661)
OKLCH	oklch(56.17% 0.089 227.7)
XYZ	xyz(14.9774, 18.2741, 35.0790)
Luminance	0.1828 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307F9E #9E4F30

analogous

#309E86 #307F9E #30489E

triadic

#307F9E #9E307F #7F9E30

tetradic

#307F9E #86309E #9E4F30 #489E30

square

#307F9E #86309E #9E4F30 #489E30

split-complementary

#307F9E #9E3048 #9E8630

monochromatic

#133440 #22596F #307F9E #45A2C6 #74B9D5

Accessibility & contrast

On white

4.51

#307F9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#307F9E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307F9E

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307F9E	#FFFFFF	#000000	##000000
##307F9E	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7DA0

Deuteranopia (green-blind)

#5F729E

Tritanopia (blue-blind)

#008889

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #307f9e;
/* rgb */ color: rgb(48, 127, 158);
/* oklch */ color: oklch(56.2% 0.089 227.7);

Tailwind

colors: {
  custom: {
    50: '#76a4ba',
    500: '#307f9e',
    950: '#000000',
  },
}

SCSS

$custom: #307f9e;
$custom-light: #76a4ba;
$custom-dark: #000000;

JSON

{
  "hex": "#307f9e",
  "rgb": {
    "r": 48,
    "g": 127,
    "b": 158
  },
  "hsl": {
    "h": 196.909,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.56174,
    "c": 0.08933,
    "h": 227.7
  },
  "luminance": 0.18276
}

Semantic roles & 50–950 ramp

primary

#307F9E

secondary

#BD846D

accent

#744BDD

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #307F9E

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

Preview Lab → · Contrast checker → · Palette generator →