#306EA6#306EA6

#306EA6 is a mid, moderate cyan. Relative luminance 0.145; OKLCH L 52.5% C 0.109 H 248.7°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#306EA6
RGB	rgb(48, 110, 166)
HSL	hsl(208, 55%, 42%)
HSV	hsv(208, 71%, 65%)
CMYK	cmyk(71.1%, 33.7%, 0%, 34.9%)
CIE-LAB	lab(44.99, -0.87, -35.85)
CIE-LCH	lch(44.99, 35.86, 268.61°)
OKLab	oklab(52.46% -0.0397 -0.1017)
OKLCH	oklch(52.46% 0.109 248.7)
XYZ	xyz(13.6752, 14.5319, 38.1532)
Luminance	0.1453 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306EA6 #A66830

analogous

#30A6A3 #306EA6 #3033A6

triadic

#306EA6 #A6306E #6EA630

tetradic

#306EA6 #A330A6 #A66830 #33A630

square

#306EA6 #A330A6 #A66830 #33A630

split-complementary

#306EA6 #A63033 #A6A330

monochromatic

#152F47 #224F77 #306EA6 #498DCA #78ABD8

Accessibility & contrast

On white

5.38

#306EA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#306EA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306EA6

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306EA6	#FFFFFF	#000000	##FFFFFF
##306EA6	1.00	5.38	3.91	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5571A8

Deuteranopia (green-blind)

#4465A5

Tritanopia (blue-blind)

#007B82

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #306ea6;
/* rgb */ color: rgb(48, 110, 166);
/* oklch */ color: oklch(52.5% 0.109 248.7);

Tailwind

colors: {
  custom: {
    50: '#7797c0',
    500: '#306ea6',
    950: '#000000',
  },
}

SCSS

$custom: #306ea6;
$custom-light: #7797c0;
$custom-dark: #000000;

JSON

{
  "hex": "#306ea6",
  "rgb": {
    "r": 48,
    "g": 110,
    "b": 166
  },
  "hsl": {
    "h": 208.475,
    "s": 55.14,
    "l": 41.961
  },
  "oklch": {
    "l": 0.52458,
    "c": 0.10915,
    "h": 248.7
  },
  "luminance": 0.14533
}

Semantic roles & 50–950 ramp

primary

#306EA6

secondary

#C09771

accent

#9049DE

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #306EA6

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

Preview Lab → · Contrast checker → · Palette generator →