#307591#307591

#307591 is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 53.1% C 0.081 H 228.1°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#307591
RGB	rgb(48, 117, 145)
HSL	hsl(197, 50%, 38%)
HSV	hsv(197, 67%, 57%)
CMYK	cmyk(66.9%, 19.3%, 0%, 43.1%)
CIE-LAB	lab(46.17, -12.43, -21.62)
CIE-LCH	lch(46.17, 24.93, 240.11°)
OKLab	oklab(53.08% -0.0543 -0.0604)
OKLCH	oklch(53.08% 0.081 228.1)
XYZ	xyz(12.6890, 15.3939, 29.0852)
Luminance	0.1540 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307591 #914C30

analogous

#30917D #307591 #304491

triadic

#307591 #913075 #759130

tetradic

#307591 #7D3091 #914C30 #449130

square

#307591 #7D3091 #914C30 #449130

split-complementary

#307591 #913044 #917D30

monochromatic

#122B35 #215063 #307591 #3F9ABF #6DB2CF

Accessibility & contrast

On white

5.15

#307591 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#307591 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307591

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307591	#FFFFFF	#000000	##FFFFFF
##307591	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#667392

Deuteranopia (green-blind)

#596991

Tritanopia (blue-blind)

#007D7E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #307591;
/* rgb */ color: rgb(48, 117, 145);
/* oklch */ color: oklch(53.1% 0.081 228.1);

Tailwind

colors: {
  custom: {
    50: '#749cb1',
    500: '#307591',
    950: '#000000',
  },
}

SCSS

$custom: #307591;
$custom-light: #749cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#307591",
  "rgb": {
    "r": 48,
    "g": 117,
    "b": 145
  },
  "hsl": {
    "h": 197.32,
    "s": 50.259,
    "l": 37.843
  },
  "oklch": {
    "l": 0.53075,
    "c": 0.08125,
    "h": 228.1
  },
  "luminance": 0.15395
}

Semantic roles & 50–950 ramp

primary

#307591

secondary

#B67E67

accent

#764EDA

background

#F7F9FA

surface

#EDF2F5

border

#C8CCCF

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #307591

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

Preview Lab → · Contrast checker → · Palette generator →