#306D8B#306D8B

#306D8B is a mid, moderate cyan. Relative luminance 0.134; OKLCH L 50.8% C 0.079 H 232.7°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#306D8B
RGB	rgb(48, 109, 139)
HSL	hsl(200, 49%, 37%)
HSV	hsv(200, 65%, 55%)
CMYK	cmyk(65.5%, 21.6%, 0%, 45.5%)
CIE-LAB	lab(43.40, -9.85, -22.32)
CIE-LCH	lch(43.40, 24.40, 246.18°)
OKLab	oklab(50.79% -0.0477 -0.0625)
OKLCH	oklch(50.79% 0.079 232.7)
XYZ	xyz(11.3460, 13.4286, 26.4151)
Luminance	0.1343 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306D8B #8B4E30

analogous

#308B7C #306D8B #30408B

triadic

#306D8B #8B306D #6D8B30

tetradic

#306D8B #7C308B #8B4E30 #408B30

square

#306D8B #7C308B #8B4E30 #408B30

split-complementary

#306D8B #8B3040 #8B7C30

monochromatic

#112630 #20495E #306D8B #4091B8 #6AABCC

Accessibility & contrast

On white

5.70

#306D8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#306D8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306D8B

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306D8B	#FFFFFF	#000000	##FFFFFF
##306D8B	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E6C8C

Deuteranopia (green-blind)

#52628B

Tritanopia (blue-blind)

#007577

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #306d8b;
/* rgb */ color: rgb(48, 109, 139);
/* oklch */ color: oklch(50.8% 0.079 232.7);

Tailwind

colors: {
  custom: {
    50: '#7296ad',
    500: '#306d8b',
    950: '#000000',
  },
}

SCSS

$custom: #306d8b;
$custom-light: #7296ad;
$custom-dark: #000000;

JSON

{
  "hex": "#306d8b",
  "rgb": {
    "r": 48,
    "g": 109,
    "b": 139
  },
  "hsl": {
    "h": 199.78,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.50785,
    "c": 0.07861,
    "h": 232.7
  },
  "luminance": 0.1343
}

Semantic roles & 50–950 ramp

primary

#306D8B

secondary

#B37E64

accent

#7D50D8

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090D10

muted

#7B7E7F

Preview Lab

Preview with #306D8B

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

Preview Lab → · Contrast checker → · Palette generator →