#306E8B#306E8B

#306E8B is a mid, moderate cyan. Relative luminance 0.136; OKLCH L 51.0% C 0.078 H 231.4°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#306E8B
RGB	rgb(48, 110, 139)
HSL	hsl(199, 49%, 37%)
HSV	hsv(199, 65%, 55%)
CMYK	cmyk(65.5%, 20.9%, 0%, 45.5%)
CIE-LAB	lab(43.72, -10.44, -21.83)
CIE-LCH	lch(43.72, 24.20, 244.45°)
OKLab	oklab(51.04% -0.0488 -0.0611)
OKLCH	oklch(51.04% 0.078 231.4)
XYZ	xyz(11.4532, 13.6431, 26.4509)
Luminance	0.1364 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306E8B #8B4D30

analogous

#308B7B #306E8B #30418B

triadic

#306E8B #8B306E #6E8B30

tetradic

#306E8B #7B308B #8B4D30 #418B30

square

#306E8B #7B308B #8B4D30 #418B30

split-complementary

#306E8B #8B3041 #8B7B30

monochromatic

#112630 #204A5E #306E8B #4092B8 #6AACCC

Accessibility & contrast

On white

5.63

#306E8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#306E8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306E8B

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306E8B	#FFFFFF	#000000	##FFFFFF
##306E8B	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#606D8C

Deuteranopia (green-blind)

#53638B

Tritanopia (blue-blind)

#007678

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #306e8b;
/* rgb */ color: rgb(48, 110, 139);
/* oklch */ color: oklch(51.0% 0.078 231.4);

Tailwind

colors: {
  custom: {
    50: '#7297ad',
    500: '#306e8b',
    950: '#000000',
  },
}

SCSS

$custom: #306e8b;
$custom-light: #7297ad;
$custom-dark: #000000;

JSON

{
  "hex": "#306e8b",
  "rgb": {
    "r": 48,
    "g": 110,
    "b": 139
  },
  "hsl": {
    "h": 199.121,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.51036,
    "c": 0.0782,
    "h": 231.4
  },
  "luminance": 0.13644
}

Semantic roles & 50–950 ramp

primary

#306E8B

secondary

#B37D64

accent

#7B50D8

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090D10

muted

#7B7E7F

Preview Lab

Preview with #306E8B

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

Preview Lab → · Contrast checker → · Palette generator →