#30678B#30678B

#30678B is a mid, moderate cyan. Relative luminance 0.122; OKLCH L 49.3% C 0.082 H 240.0°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#30678B
RGB	rgb(48, 103, 139)
HSL	hsl(204, 49%, 37%)
HSV	hsv(204, 65%, 55%)
CMYK	cmyk(65.5%, 25.9%, 0%, 45.5%)
CIE-LAB	lab(41.52, -6.29, -25.24)
CIE-LCH	lch(41.52, 26.01, 256.00°)
OKLab	oklab(49.29% -0.0409 -0.0709)
OKLCH	oklch(49.29% 0.082 240)
XYZ	xyz(10.7276, 12.1919, 26.2090)
Luminance	0.1219 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30678B #8B5430

analogous

#308B82 #30678B #303A8B

triadic

#30678B #8B3067 #678B30

tetradic

#30678B #82308B #8B5430 #3A8B30

square

#30678B #82308B #8B5430 #3A8B30

split-complementary

#30678B #8B303A #8B8230

monochromatic

#112430 #20455E #30678B #4089B8 #6AA5CC

Accessibility & contrast

On white

6.11

#30678B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#30678B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #30678B

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30678B	#FFFFFF	#000000	##FFFFFF
##30678B	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57678D

Deuteranopia (green-blind)

#4A5E8A

Tritanopia (blue-blind)

#007073

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #30678b;
/* rgb */ color: rgb(48, 103, 139);
/* oklch */ color: oklch(49.3% 0.082 240.0);

Tailwind

colors: {
  custom: {
    50: '#7292ad',
    500: '#30678b',
    950: '#000000',
  },
}

SCSS

$custom: #30678b;
$custom-light: #7292ad;
$custom-dark: #000000;

JSON

{
  "hex": "#30678b",
  "rgb": {
    "r": 48,
    "g": 103,
    "b": 139
  },
  "hsl": {
    "h": 203.736,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.4929,
    "c": 0.08189,
    "h": 240
  },
  "luminance": 0.12193
}

Semantic roles & 50–950 ramp

primary

#30678B

secondary

#B38364

accent

#8650D8

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080D10

muted

#7B7D7F

Preview Lab

Preview with #30678B

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

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