#30739E#30739E

#30739E is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 53.2% C 0.095 H 240.2°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#30739E
RGB	rgb(48, 115, 158)
HSL	hsl(203, 53%, 40%)
HSV	hsv(203, 70%, 62%)
CMYK	cmyk(69.6%, 27.2%, 0%, 38%)
CIE-LAB	lab(46.12, -6.76, -29.37)
CIE-LCH	lch(46.12, 30.14, 257.04°)
OKLab	oklab(53.22% -0.0474 -0.0828)
OKLCH	oklch(53.22% 0.095 240.2)
XYZ	xyz(13.5188, 15.3570, 34.5929)
Luminance	0.1536 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30739E #9E5B30

analogous

#309E92 #30739E #303C9E

triadic

#30739E #9E3073 #739E30

tetradic

#30739E #92309E #9E5B30 #3C9E30

square

#30739E #92309E #9E5B30 #3C9E30

split-complementary

#30739E #9E303C #9E9230

monochromatic

#132F40 #22516F #30739E #4594C6 #74AFD5

Accessibility & contrast

On white

5.16

#30739E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#30739E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #30739E

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30739E	#FFFFFF	#000000	##FFFFFF
##30739E	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F73A0

Deuteranopia (green-blind)

#50689D

Tritanopia (blue-blind)

#007E82

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #30739e;
/* rgb */ color: rgb(48, 115, 158);
/* oklch */ color: oklch(53.2% 0.095 240.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#30739e",
  "rgb": {
    "r": 48,
    "g": 115,
    "b": 158
  },
  "hsl": {
    "h": 203.455,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.53224,
    "c": 0.09538,
    "h": 240.2
  },
  "luminance": 0.15358
}

Semantic roles & 50–950 ramp

primary

#30739E

secondary

#BD8C6D

accent

#844BDD

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #30739E

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

Preview Lab → · Contrast checker → · Palette generator →