#306BB1#306BB1

#306BB1 is a mid, vivid cyan. Relative luminance 0.143; OKLCH L 52.4% C 0.127 H 254.5°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#306BB1
RGB	rgb(48, 107, 177)
HSL	hsl(213, 57%, 44%)
HSV	hsv(213, 73%, 69%)
CMYK	cmyk(72.9%, 39.5%, 0%, 30.6%)
CIE-LAB	lab(44.68, 5.04, -42.78)
CIE-LCH	lch(44.68, 43.07, 276.72°)
OKLab	oklab(52.41% -0.0339 -0.122)
OKLCH	oklch(52.41% 0.127 254.5)
XYZ	xyz(14.4095, 14.3165, 43.5904)
Luminance	0.1432 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306BB1 #B17630

analogous

#30ACB1 #306BB1 #3630B1

triadic

#306BB1 #B1306B #6BB130

tetradic

#306BB1 #B130AC #B17630 #30B136

square

#306BB1 #B130AC #B17630 #30B136

split-complementary

#306BB1 #B13630 #ACB130

monochromatic

#163151 #234E81 #306BB1 #4F8ACF #7FAADC

Accessibility & contrast

On white

5.44

#306BB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#306BB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306BB1

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306BB1	#FFFFFF	#000000	##FFFFFF
##306BB1	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A70B4

Deuteranopia (green-blind)

#3664B0

Tritanopia (blue-blind)

#007B85

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #306bb1;
/* rgb */ color: rgb(48, 107, 177);
/* oklch */ color: oklch(52.4% 0.127 254.5);

Tailwind

colors: {
  custom: {
    50: '#7994c9',
    500: '#306bb1',
    950: '#000000',
  },
}

SCSS

$custom: #306bb1;
$custom-light: #7994c9;
$custom-dark: #000000;

JSON

{
  "hex": "#306bb1",
  "rgb": {
    "r": 48,
    "g": 107,
    "b": 177
  },
  "hsl": {
    "h": 212.558,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.52414,
    "c": 0.12659,
    "h": 254.5
  },
  "luminance": 0.14318
}

Semantic roles & 50–950 ramp

primary

#306BB1

secondary

#C5A278

accent

#9A47E1

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #306BB1

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

Preview Lab → · Contrast checker → · Palette generator →