#30688B#30688B

#30688B is a mid, moderate cyan. Relative luminance 0.124; OKLCH L 49.5% C 0.081 H 238.8°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#30688B
RGB	rgb(48, 104, 139)
HSL	hsl(203, 49%, 37%)
HSV	hsv(203, 65%, 55%)
CMYK	cmyk(65.5%, 25.2%, 0%, 45.5%)
CIE-LAB	lab(41.83, -6.89, -24.75)
CIE-LCH	lch(41.83, 25.70, 254.44°)
OKLab	oklab(49.54% -0.042 -0.0695)
OKLCH	oklch(49.54% 0.081 238.8)
XYZ	xyz(10.8277, 12.3920, 26.2424)
Luminance	0.1239 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30688B #8B5330

analogous

#308B81 #30688B #303B8B

triadic

#30688B #8B3068 #688B30

tetradic

#30688B #81308B #8B5330 #3B8B30

square

#30688B #81308B #8B5330 #3B8B30

split-complementary

#30688B #8B303B #8B8130

monochromatic

#112430 #20465E #30688B #408AB8 #6AA6CC

Accessibility & contrast

On white

6.04

#30688B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#30688B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #30688B

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30688B	#FFFFFF	#000000	##FFFFFF
##30688B	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58688D

Deuteranopia (green-blind)

#4B5F8A

Tritanopia (blue-blind)

#007174

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #30688b;
/* rgb */ color: rgb(48, 104, 139);
/* oklch */ color: oklch(49.5% 0.081 238.8);

Tailwind

colors: {
  custom: {
    50: '#7293ad',
    500: '#30688b',
    950: '#000000',
  },
}

SCSS

$custom: #30688b;
$custom-light: #7293ad;
$custom-dark: #000000;

JSON

{
  "hex": "#30688b",
  "rgb": {
    "r": 48,
    "g": 104,
    "b": 139
  },
  "hsl": {
    "h": 203.077,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.49538,
    "c": 0.08125,
    "h": 238.8
  },
  "luminance": 0.12393
}

Semantic roles & 50–950 ramp

primary

#30688B

secondary

#B38264

accent

#8450D8

background

#F7F9FA

surface

#EDF1F4

border

#C8CBCE

text

#080D10

muted

#7B7E7F

Preview Lab

Preview with #30688B

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

Preview Lab → · Contrast checker → · Palette generator →