#306EA5#306EA5

#306EA5 is a mid, moderate cyan. Relative luminance 0.145; OKLCH L 52.4% C 0.108 H 248.2°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#306EA5
RGB	rgb(48, 110, 165)
HSL	hsl(208, 55%, 42%)
HSV	hsv(208, 71%, 65%)
CMYK	cmyk(70.9%, 33.3%, 0%, 35.3%)
CIE-LAB	lab(44.94, -1.24, -35.34)
CIE-LCH	lch(44.94, 35.37, 268.00°)
OKLab	oklab(52.4% -0.04 -0.1002)
OKLCH	oklch(52.4% 0.108 248.2)
XYZ	xyz(13.5838, 14.4954, 37.6720)
Luminance	0.1450 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306EA5 #A56730

analogous

#30A5A2 #306EA5 #3034A5

triadic

#306EA5 #A5306E #6EA530

tetradic

#306EA5 #A230A5 #A56730 #34A530

square

#306EA5 #A230A5 #A56730 #34A530

split-complementary

#306EA5 #A53034 #A5A230

monochromatic

#142F46 #224E76 #306EA5 #488DCA #78ABD8

Accessibility & contrast

On white

5.39

#306EA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#306EA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306EA5

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306EA5	#FFFFFF	#000000	##FFFFFF
##306EA5	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5570A7

Deuteranopia (green-blind)

#4565A4

Tritanopia (blue-blind)

#007B82

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #306ea5;
/* rgb */ color: rgb(48, 110, 165);
/* oklch */ color: oklch(52.4% 0.108 248.2);

Tailwind

colors: {
  custom: {
    50: '#7797c0',
    500: '#306ea5',
    950: '#000000',
  },
}

SCSS

$custom: #306ea5;
$custom-light: #7797c0;
$custom-dark: #000000;

JSON

{
  "hex": "#306ea5",
  "rgb": {
    "r": 48,
    "g": 110,
    "b": 165
  },
  "hsl": {
    "h": 208.205,
    "s": 54.93,
    "l": 41.765
  },
  "oklch": {
    "l": 0.52401,
    "c": 0.10788,
    "h": 248.2
  },
  "luminance": 0.14497
}

Semantic roles & 50–950 ramp

primary

#306EA5

secondary

#C09671

accent

#8F4ADE

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #306EA5

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

Preview Lab → · Contrast checker → · Palette generator →