#306FAF#306FAF

#306FAF is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 53.2% C 0.120 H 251.4°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#306FAF
RGB	rgb(48, 111, 175)
HSL	hsl(210, 57%, 44%)
HSV	hsv(210, 73%, 69%)
CMYK	cmyk(72.6%, 36.6%, 0%, 31.4%)
CIE-LAB	lab(45.76, 1.81, -39.90)
CIE-LCH	lch(45.76, 39.94, 272.60°)
OKLab	oklab(53.22% -0.0382 -0.1135)
OKLCH	oklch(53.22% 0.12 251.4)
XYZ	xyz(14.6383, 15.0908, 42.6905)
Luminance	0.1509 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306FAF #AF7030

analogous

#30AEAF #306FAF #3030AF

triadic

#306FAF #AF306F #6FAF30

tetradic

#306FAF #AF30AE #AF7030 #30AF30

square

#306FAF #AF30AE #AF7030 #30AF30

split-complementary

#306FAF #AF3030 #AEAF30

monochromatic

#16324F #23517F #306FAF #4E8ECE #7EACDC

Accessibility & contrast

On white

5.23

#306FAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#306FAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306FAF

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306FAF	#FFFFFF	#000000	##FFFFFF
##306FAF	1.00	5.23	4.02	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5273B2

Deuteranopia (green-blind)

#3F67AE

Tritanopia (blue-blind)

#007E86

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #306faf;
/* rgb */ color: rgb(48, 111, 175);
/* oklch */ color: oklch(53.2% 0.120 251.4);

Tailwind

colors: {
  custom: {
    50: '#7897c7',
    500: '#306faf',
    950: '#000000',
  },
}

SCSS

$custom: #306faf;
$custom-light: #7897c7;
$custom-dark: #000000;

JSON

{
  "hex": "#306faf",
  "rgb": {
    "r": 48,
    "g": 111,
    "b": 175
  },
  "hsl": {
    "h": 210.236,
    "s": 56.951,
    "l": 43.725
  },
  "oklch": {
    "l": 0.53218,
    "c": 0.11975,
    "h": 251.4
  },
  "luminance": 0.15092
}

Semantic roles & 50–950 ramp

primary

#306FAF

secondary

#C49E76

accent

#9548E0

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #306FAF

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

Preview Lab → · Contrast checker → · Palette generator →