#307E9F#307E9F

#307E9F is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.0% C 0.091 H 229.6°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#307E9F
RGB	rgb(48, 126, 159)
HSL	hsl(198, 54%, 41%)
HSV	hsv(198, 70%, 62%)
CMYK	cmyk(69.8%, 20.8%, 0%, 37.6%)
CIE-LAB	lab(49.56, -12.77, -24.61)
CIE-LCH	lch(49.56, 27.72, 242.58°)
OKLab	oklab(55.97% -0.0586 -0.069)
OKLCH	oklch(55.97% 0.091 229.6)
XYZ	xyz(14.9353, 18.0516, 35.4914)
Luminance	0.1805 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307E9F #9F5130

analogous

#309F88 #307E9F #30469F

triadic

#307E9F #9F307E #7E9F30

tetradic

#307E9F #88309F #9F5130 #469F30

square

#307E9F #88309F #9F5130 #469F30

split-complementary

#307E9F #9F3046 #9F8830

monochromatic

#143341 #225970 #307E9F #45A0C7 #74B8D5

Accessibility & contrast

On white

4.55

#307E9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#307E9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307E9F

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307E9F	#FFFFFF	#000000	##000000
##307E9F	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7CA1

Deuteranopia (green-blind)

#5E719F

Tritanopia (blue-blind)

#008789

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #307e9f;
/* rgb */ color: rgb(48, 126, 159);
/* oklch */ color: oklch(56.0% 0.091 229.6);

Tailwind

colors: {
  custom: {
    50: '#76a3bb',
    500: '#307e9f',
    950: '#000000',
  },
}

SCSS

$custom: #307e9f;
$custom-light: #76a3bb;
$custom-dark: #000000;

JSON

{
  "hex": "#307e9f",
  "rgb": {
    "r": 48,
    "g": 126,
    "b": 159
  },
  "hsl": {
    "h": 197.838,
    "s": 53.623,
    "l": 40.588
  },
  "oklch": {
    "l": 0.55974,
    "c": 0.09053,
    "h": 229.6
  },
  "luminance": 0.18053
}

Semantic roles & 50–950 ramp

primary

#307E9F

secondary

#BD856E

accent

#764BDD

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #307E9F

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

Preview Lab → · Contrast checker → · Palette generator →