#30739D#30739D

#30739D is a mid, moderate cyan. Relative luminance 0.153; OKLCH L 53.2% C 0.094 H 239.6°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#30739D
RGB	rgb(48, 115, 157)
HSL	hsl(203, 53%, 40%)
HSV	hsv(203, 69%, 62%)
CMYK	cmyk(69.4%, 26.8%, 0%, 38.4%)
CIE-LAB	lab(46.07, -7.11, -28.85)
CIE-LCH	lch(46.07, 29.72, 256.15°)
OKLab	oklab(53.17% -0.0477 -0.0813)
OKLCH	oklch(53.17% 0.094 239.6)
XYZ	xyz(13.4331, 15.3227, 34.1414)
Luminance	0.1532 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30739D #9D5A30

analogous

#309D90 #30739D #303D9D

triadic

#30739D #9D3073 #739D30

tetradic

#30739D #90309D #9D5A30 #3D9D30

square

#30739D #90309D #9D5A30 #3D9D30

split-complementary

#30739D #9D303D #9D9030

monochromatic

#132E3F #22516E #30739D #4494C6 #73AFD4

Accessibility & contrast

On white

5.17

#30739D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#30739D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #30739D

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

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

#60739F

Deuteranopia (green-blind)

#51689C

Tritanopia (blue-blind)

#007E81

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #30739d;
/* rgb */ color: rgb(48, 115, 157);
/* oklch */ color: oklch(53.2% 0.094 239.6);

Tailwind

colors: {
  custom: {
    50: '#759bba',
    500: '#30739d',
    950: '#000000',
  },
}

SCSS

$custom: #30739d;
$custom-light: #759bba;
$custom-dark: #000000;

JSON

{
  "hex": "#30739d",
  "rgb": {
    "r": 48,
    "g": 115,
    "b": 157
  },
  "hsl": {
    "h": 203.119,
    "s": 53.171,
    "l": 40.196
  },
  "oklch": {
    "l": 0.53172,
    "c": 0.09425,
    "h": 239.6
  },
  "luminance": 0.15324
}

Semantic roles & 50–950 ramp

primary

#30739D

secondary

#BC8B6D

accent

#834BDD

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #30739D

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

Preview Lab → · Contrast checker → · Palette generator →