#30738B#30738B

#30738B is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.3% C 0.077 H 224.8°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#30738B
RGB	rgb(48, 115, 139)
HSL	hsl(196, 49%, 37%)
HSV	hsv(196, 65%, 55%)
CMYK	cmyk(65.5%, 17.3%, 0%, 45.5%)
CIE-LAB	lab(45.29, -13.31, -19.40)
CIE-LCH	lch(45.29, 23.53, 235.56°)
OKLab	oklab(52.29% -0.0544 -0.0541)
OKLCH	oklch(52.29% 0.077 224.8)
XYZ	xyz(12.0080, 14.7527, 26.6358)
Luminance	0.1475 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30738B #8B4830

analogous

#308B76 #30738B #30468B

triadic

#30738B #8B3073 #738B30

tetradic

#30738B #76308B #8B4830 #468B30

square

#30738B #76308B #8B4830 #468B30

split-complementary

#30738B #8B3046 #8B7630

monochromatic

#112830 #204D5E #30738B #4099B8 #6AB2CC

Accessibility & contrast

On white

5.32

#30738B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#30738B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #30738B

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30738B	#FFFFFF	#000000	##FFFFFF
##30738B	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66718C

Deuteranopia (green-blind)

#59678B

Tritanopia (blue-blind)

#007A7B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #30738b;
/* rgb */ color: rgb(48, 115, 139);
/* oklch */ color: oklch(52.3% 0.077 224.8);

Tailwind

colors: {
  custom: {
    50: '#739bad',
    500: '#30738b',
    950: '#000000',
  },
}

SCSS

$custom: #30738b;
$custom-light: #739bad;
$custom-dark: #000000;

JSON

{
  "hex": "#30738b",
  "rgb": {
    "r": 48,
    "g": 115,
    "b": 139
  },
  "hsl": {
    "h": 195.824,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.52294,
    "c": 0.07679,
    "h": 224.8
  },
  "luminance": 0.14754
}

Semantic roles & 50–950 ramp

primary

#30738B

secondary

#B37964

accent

#7450D8

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #30738B

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

Preview Lab → · Contrast checker → · Palette generator →