#306BA5#306BA5

#306BA5 is a mid, moderate cyan. Relative luminance 0.139; OKLCH L 51.7% C 0.111 H 250.5°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#306BA5
RGB	rgb(48, 107, 165)
HSL	hsl(210, 55%, 42%)
HSV	hsv(210, 71%, 65%)
CMYK	cmyk(70.9%, 35.2%, 0%, 35.3%)
CIE-LAB	lab(44.03, 0.61, -36.77)
CIE-LCH	lch(44.03, 36.78, 270.95°)
OKLab	oklab(51.69% -0.037 -0.1044)
OKLCH	oklch(51.69% 0.111 250.5)
XYZ	xyz(13.2656, 13.8590, 37.5659)
Luminance	0.1386 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306BA5 #A56A30

analogous

#30A5A5 #306BA5 #3030A5

triadic

#306BA5 #A5306B #6BA530

tetradic

#306BA5 #A530A5 #A56A30 #30A530

square

#306BA5 #A530A5 #A56A30 #30A530

split-complementary

#306BA5 #A53030 #A5A530

monochromatic

#142E46 #224C76 #306BA5 #488ACA #78A8D8

Accessibility & contrast

On white

5.57

#306BA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#306BA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306BA5

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306BA5	#FFFFFF	#000000	##FFFFFF
##306BA5	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#516EA7

Deuteranopia (green-blind)

#4063A4

Tritanopia (blue-blind)

#007980

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #306ba5;
/* rgb */ color: rgb(48, 107, 165);
/* oklch */ color: oklch(51.7% 0.111 250.5);

Tailwind

colors: {
  custom: {
    50: '#7795c0',
    500: '#306ba5',
    950: '#000000',
  },
}

SCSS

$custom: #306ba5;
$custom-light: #7795c0;
$custom-dark: #000000;

JSON

{
  "hex": "#306ba5",
  "rgb": {
    "r": 48,
    "g": 107,
    "b": 165
  },
  "hsl": {
    "h": 209.744,
    "s": 54.93,
    "l": 41.765
  },
  "oklch": {
    "l": 0.5169,
    "c": 0.11075,
    "h": 250.5
  },
  "luminance": 0.1386
}

Semantic roles & 50–950 ramp

primary

#306BA5

secondary

#C09871

accent

#934ADE

background

#F7F9FB

surface

#EEF1F7

border

#C9CBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #306BA5

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

Preview Lab → · Contrast checker → · Palette generator →