#30739F#30739F

#30739F is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 53.3% C 0.097 H 240.8°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#30739F
RGB	rgb(48, 115, 159)
HSL	hsl(204, 54%, 41%)
HSV	hsv(204, 70%, 62%)
CMYK	cmyk(69.8%, 27.7%, 0%, 37.6%)
CIE-LAB	lab(46.17, -6.40, -29.88)
CIE-LCH	lch(46.17, 30.56, 257.91°)
OKLab	oklab(53.28% -0.047 -0.0843)
OKLCH	oklch(53.28% 0.097 240.8)
XYZ	xyz(13.6053, 15.3916, 35.0480)
Luminance	0.1539 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30739F #9F5C30

analogous

#309F93 #30739F #303B9F

triadic

#30739F #9F3073 #739F30

tetradic

#30739F #93309F #9F5C30 #3B9F30

square

#30739F #93309F #9F5C30 #3B9F30

split-complementary

#30739F #9F303B #9F9330

monochromatic

#142F41 #225170 #30739F #4594C7 #74AFD5

Accessibility & contrast

On white

5.15

#30739F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#30739F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #30739F

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30739F	#FFFFFF	#000000	##FFFFFF
##30739F	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)

#5F73A1

Deuteranopia (green-blind)

#50699E

Tritanopia (blue-blind)

#007E82

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #30739f;
/* rgb */ color: rgb(48, 115, 159);
/* oklch */ color: oklch(53.3% 0.097 240.8);

Tailwind

colors: {
  custom: {
    50: '#769bbb',
    500: '#30739f',
    950: '#000000',
  },
}

SCSS

$custom: #30739f;
$custom-light: #769bbb;
$custom-dark: #000000;

JSON

{
  "hex": "#30739f",
  "rgb": {
    "r": 48,
    "g": 115,
    "b": 159
  },
  "hsl": {
    "h": 203.784,
    "s": 53.623,
    "l": 40.588
  },
  "oklch": {
    "l": 0.53276,
    "c": 0.09651,
    "h": 240.8
  },
  "luminance": 0.15393
}

Semantic roles & 50–950 ramp

primary

#30739F

secondary

#BD8D6E

accent

#854BDD

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #30739F

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

Preview Lab → · Contrast checker → · Palette generator →