#30739C#30739C

#30739C is a mid, moderate cyan. Relative luminance 0.153; OKLCH L 53.1% C 0.093 H 238.9°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#30739C
RGB	rgb(48, 115, 156)
HSL	hsl(203, 53%, 40%)
HSV	hsv(203, 69%, 61%)
CMYK	cmyk(69.2%, 26.3%, 0%, 38.8%)
CIE-LAB	lab(46.03, -7.46, -28.33)
CIE-LCH	lch(46.03, 29.30, 255.24°)
OKLab	oklab(53.12% -0.0481 -0.0798)
OKLCH	oklch(53.12% 0.093 238.9)
XYZ	xyz(13.3481, 15.2887, 33.6936)
Luminance	0.1529 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30739C #9C5930

analogous

#309C8F #30739C #303D9C

triadic

#30739C #9C3073 #739C30

tetradic

#30739C #8F309C #9C5930 #3D9C30

square

#30739C #8F309C #9C5930 #3D9C30

split-complementary

#30739C #9C303D #9C8F30

monochromatic

#132E3E #22506D #30739C #4494C5 #73AFD4

Accessibility & contrast

On white

5.17

#30739C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#30739C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #30739C

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30739C	#FFFFFF	#000000	##FFFFFF
##30739C	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60739E

Deuteranopia (green-blind)

#51689B

Tritanopia (blue-blind)

#007D81

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #30739c;
/* rgb */ color: rgb(48, 115, 156);
/* oklch */ color: oklch(53.1% 0.093 238.9);

Tailwind

colors: {
  custom: {
    50: '#759bb9',
    500: '#30739c',
    950: '#000000',
  },
}

SCSS

$custom: #30739c;
$custom-light: #759bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#30739c",
  "rgb": {
    "r": 48,
    "g": 115,
    "b": 156
  },
  "hsl": {
    "h": 202.778,
    "s": 52.941,
    "l": 40
  },
  "oklch": {
    "l": 0.5312,
    "c": 0.09314,
    "h": 238.9
  },
  "luminance": 0.1529
}

Semantic roles & 50–950 ramp

primary

#30739C

secondary

#BC8A6C

accent

#824BDC

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #30739C

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

Preview Lab → · Contrast checker → · Palette generator →