#307C91#307C91

#307C91 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 54.8% C 0.080 H 219.3°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#307C91
RGB	rgb(48, 124, 145)
HSL	hsl(193, 50%, 38%)
HSV	hsv(193, 67%, 57%)
CMYK	cmyk(66.9%, 14.5%, 0%, 43.1%)
CIE-LAB	lab(48.37, -16.35, -18.24)
CIE-LCH	lch(48.37, 24.49, 228.13°)
OKLab	oklab(54.84% -0.062 -0.0508)
OKLCH	oklch(54.84% 0.08 219.3)
XYZ	xyz(13.5353, 17.0866, 29.3673)
Luminance	0.1709 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307C91 #914530

analogous

#309176 #307C91 #304B91

triadic

#307C91 #91307C #7C9130

tetradic

#307C91 #763091 #914530 #4B9130

square

#307C91 #763091 #914530 #4B9130

split-complementary

#307C91 #91304B #917630

monochromatic

#122D35 #215563 #307C91 #3FA3BF #6DB9CF

Accessibility & contrast

On white

4.75

#307C91 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#307C91 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307C91

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307C91	#FFFFFF	#000000	##FFFFFF
##307C91	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7992

Deuteranopia (green-blind)

#616E91

Tritanopia (blue-blind)

#008383

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #307c91;
/* rgb */ color: rgb(48, 124, 145);
/* oklch */ color: oklch(54.8% 0.080 219.3);

Tailwind

colors: {
  custom: {
    50: '#74a2b1',
    500: '#307c91',
    950: '#000000',
  },
}

SCSS

$custom: #307c91;
$custom-light: #74a2b1;
$custom-dark: #000000;

JSON

{
  "hex": "#307c91",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 145
  },
  "hsl": {
    "h": 192.99,
    "s": 50.259,
    "l": 37.843
  },
  "oklch": {
    "l": 0.54835,
    "c": 0.08018,
    "h": 219.3
  },
  "luminance": 0.17088
}

Semantic roles & 50–950 ramp

primary

#307C91

secondary

#B67867

accent

#6C4EDA

background

#F7F9FA

surface

#EDF2F5

border

#C8CCCF

text

#090F10

muted

#7B7E7F

Preview Lab

Preview with #307C91

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

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