#306BB2#306BB2

#306BB2 is a mid, vivid cyan. Relative luminance 0.144; OKLCH L 52.5% C 0.128 H 254.8°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#306BB2
RGB	rgb(48, 107, 178)
HSL	hsl(213, 58%, 44%)
HSV	hsv(213, 73%, 70%)
CMYK	cmyk(73%, 39.9%, 0%, 30.2%)
CIE-LAB	lab(44.74, 5.41, -43.27)
CIE-LCH	lch(44.74, 43.61, 277.13°)
OKLab	oklab(52.48% -0.0336 -0.1234)
OKLCH	oklch(52.48% 0.128 254.8)
XYZ	xyz(14.5095, 14.3565, 44.1172)
Luminance	0.1436 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306BB2 #B27730

analogous

#30ACB2 #306BB2 #3630B2

triadic

#306BB2 #B2306B #6BB230

tetradic

#306BB2 #B230AC #B27730 #30B236

square

#306BB2 #B230AC #B27730 #30B236

split-complementary

#306BB2 #B23630 #ACB230

monochromatic

#163152 #234E82 #306BB2 #508AD0 #80AADD

Accessibility & contrast

On white

5.42

#306BB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#306BB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306BB2

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306BB2	#FFFFFF	#000000	##FFFFFF
##306BB2	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A70B5

Deuteranopia (green-blind)

#3564B1

Tritanopia (blue-blind)

#007C86

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #306bb2;
/* rgb */ color: rgb(48, 107, 178);
/* oklch */ color: oklch(52.5% 0.128 254.8);

Tailwind

colors: {
  custom: {
    50: '#7994c9',
    500: '#306bb2',
    950: '#000000',
  },
}

SCSS

$custom: #306bb2;
$custom-light: #7994c9;
$custom-dark: #000000;

JSON

{
  "hex": "#306bb2",
  "rgb": {
    "r": 48,
    "g": 107,
    "b": 178
  },
  "hsl": {
    "h": 212.769,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.52476,
    "c": 0.12793,
    "h": 254.8
  },
  "luminance": 0.14358
}

Semantic roles & 50–950 ramp

primary

#306BB2

secondary

#C6A278

accent

#9B47E1

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #306BB2

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

Preview Lab → · Contrast checker → · Palette generator →