#306EB2#306EB2

#306EB2 is a mid, vivid cyan. Relative luminance 0.150; OKLCH L 53.2% C 0.125 H 253.0°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#306EB2
RGB	rgb(48, 110, 178)
HSL	hsl(211, 58%, 44%)
HSV	hsv(211, 73%, 70%)
CMYK	cmyk(73%, 38.2%, 0%, 30.2%)
CIE-LAB	lab(45.62, 3.54, -41.86)
CIE-LCH	lch(45.62, 42.01, 274.83°)
OKLab	oklab(53.17% -0.0365 -0.1193)
OKLCH	oklch(53.17% 0.125 253)
XYZ	xyz(14.8277, 14.9929, 44.2233)
Luminance	0.1499 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306EB2 #B27430

analogous

#30AFB2 #306EB2 #3330B2

triadic

#306EB2 #B2306E #6EB230

tetradic

#306EB2 #B230AF #B27430 #30B233

square

#306EB2 #B230AF #B27430 #30B233

split-complementary

#306EB2 #B23330 #AFB230

monochromatic

#163252 #235082 #306EB2 #508DD0 #80ACDD

Accessibility & contrast

On white

5.25

#306EB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#306EB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306EB2

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306EB2	#FFFFFF	#000000	##FFFFFF
##306EB2	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F73B5

Deuteranopia (green-blind)

#3B67B1

Tritanopia (blue-blind)

#007E87

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #306eb2;
/* rgb */ color: rgb(48, 110, 178);
/* oklch */ color: oklch(53.2% 0.125 253.0);

Tailwind

colors: {
  custom: {
    50: '#7997c9',
    500: '#306eb2',
    950: '#000000',
  },
}

SCSS

$custom: #306eb2;
$custom-light: #7997c9;
$custom-dark: #000000;

JSON

{
  "hex": "#306eb2",
  "rgb": {
    "r": 48,
    "g": 110,
    "b": 178
  },
  "hsl": {
    "h": 211.385,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.53166,
    "c": 0.12471,
    "h": 253
  },
  "luminance": 0.14995
}

Semantic roles & 50–950 ramp

primary

#306EB2

secondary

#C6A178

accent

#9747E1

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #306EB2

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

Preview Lab → · Contrast checker → · Palette generator →