#306AB9#306AB9

#306AB9 is a mid, vivid cyan. Relative luminance 0.144; OKLCH L 52.7% C 0.138 H 257.0°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#306AB9
RGB	rgb(48, 106, 185)
HSL	hsl(215, 59%, 46%)
HSV	hsv(215, 74%, 73%)
CMYK	cmyk(74.1%, 42.7%, 0%, 27.5%)
CIE-LAB	lab(44.85, 8.66, -47.17)
CIE-LCH	lch(44.85, 47.95, 280.40°)
OKLab	oklab(52.7% -0.0311 -0.1349)
OKLCH	oklch(52.7% 0.138 257)
XYZ	xyz(15.1267, 14.4375, 47.8790)
Luminance	0.1444 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306AB9 #B97F30

analogous

#30AEB9 #306AB9 #3B30B9

triadic

#306AB9 #B9306A #6AB930

tetradic

#306AB9 #B930AE #B97F30 #30B93B

square

#306AB9 #B930AE #B97F30 #30B93B

split-complementary

#306AB9 #B93B30 #AEB930

monochromatic

#173258 #234E88 #306AB9 #5489D3 #84ABDF

Accessibility & contrast

On white

5.40

#306AB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#306AB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306AB9

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306AB9	#FFFFFF	#000000	##FFFFFF
##306AB9	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4371BC

Deuteranopia (green-blind)

#2B64B7

Tritanopia (blue-blind)

#007D88

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #306ab9;
/* rgb */ color: rgb(48, 106, 185);
/* oklch */ color: oklch(52.7% 0.138 257.0);

Tailwind

colors: {
  custom: {
    50: '#7a94ce',
    500: '#306ab9',
    950: '#000000',
  },
}

SCSS

$custom: #306ab9;
$custom-light: #7a94ce;
$custom-dark: #000000;

JSON

{
  "hex": "#306ab9",
  "rgb": {
    "r": 48,
    "g": 106,
    "b": 185
  },
  "hsl": {
    "h": 214.599,
    "s": 58.798,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52697,
    "c": 0.13844,
    "h": 257
  },
  "luminance": 0.14439
}

Semantic roles & 50–950 ramp

primary

#306AB9

secondary

#C9A87C

accent

#A046E2

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #306AB9

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

Preview Lab → · Contrast checker → · Palette generator →