#306CB2#306CB2

#306CB2 is a mid, vivid cyan. Relative luminance 0.146; OKLCH L 52.7% C 0.127 H 254.2°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#306CB2
RGB	rgb(48, 108, 178)
HSL	hsl(212, 58%, 44%)
HSV	hsv(212, 73%, 70%)
CMYK	cmyk(73%, 39.3%, 0%, 30.2%)
CIE-LAB	lab(45.03, 4.79, -42.80)
CIE-LCH	lch(45.03, 43.07, 276.38°)
OKLab	oklab(52.71% -0.0346 -0.122)
OKLCH	oklch(52.71% 0.127 254.2)
XYZ	xyz(14.6144, 14.5662, 44.1522)
Luminance	0.1457 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306CB2 #B27630

analogous

#30ADB2 #306CB2 #3530B2

triadic

#306CB2 #B2306C #6CB230

tetradic

#306CB2 #B230AD #B27630 #30B235

square

#306CB2 #B230AD #B27630 #30B235

split-complementary

#306CB2 #B23530 #ADB230

monochromatic

#163252 #234F82 #306CB2 #508BD0 #80ABDD

Accessibility & contrast

On white

5.37

#306CB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#306CB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306CB2

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306CB2	#FFFFFF	#000000	##FFFFFF
##306CB2	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B71B5

Deuteranopia (green-blind)

#3765B1

Tritanopia (blue-blind)

#007C86

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #306cb2;
/* rgb */ color: rgb(48, 108, 178);
/* oklch */ color: oklch(52.7% 0.127 254.2);

Tailwind

colors: {
  custom: {
    50: '#7995c9',
    500: '#306cb2',
    950: '#000000',
  },
}

SCSS

$custom: #306cb2;
$custom-light: #7995c9;
$custom-dark: #000000;

JSON

{
  "hex": "#306cb2",
  "rgb": {
    "r": 48,
    "g": 108,
    "b": 178
  },
  "hsl": {
    "h": 212.308,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.52706,
    "c": 0.12684,
    "h": 254.2
  },
  "luminance": 0.14568
}

Semantic roles & 50–950 ramp

primary

#306CB2

secondary

#C6A278

accent

#9A47E1

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #306CB2

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

Preview Lab → · Contrast checker → · Palette generator →