#2F66B1#2F66B1

#2F66B1 is a mid, vivid cyan. Relative luminance 0.133; OKLCH L 51.2% C 0.133 H 257.0°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#2F66B1
RGB	rgb(47, 102, 177)
HSL	hsl(215, 58%, 44%)
HSV	hsv(215, 73%, 69%)
CMYK	cmyk(73.4%, 42.4%, 0%, 30.6%)
CIE-LAB	lab(43.18, 8.06, -45.17)
CIE-LCH	lch(43.18, 45.89, 280.12°)
OKLab	oklab(51.24% -0.0299 -0.1291)
OKLCH	oklch(51.24% 0.133 257)
XYZ	xyz(13.8566, 13.2799, 43.4194)
Luminance	0.1328 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F66B1 #B17A2F

analogous

#2FA7B1 #2F66B1 #392FB1

triadic

#2F66B1 #B12F66 #66B12F

tetradic

#2F66B1 #B12FA7 #B17A2F #2FB139

square

#2F66B1 #B12FA7 #B17A2F #2FB139

split-complementary

#2F66B1 #B1392F #A7B12F

monochromatic

#152E50 #224A81 #2F66B1 #4D85D0 #7EA6DD

Accessibility & contrast

On white

5.74

#2F66B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#2F66B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F66B1

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F66B1	#FFFFFF	#000000	##FFFFFF
##2F66B1	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#426CB4

Deuteranopia (green-blind)

#2B60AF

Tritanopia (blue-blind)

#007883

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2f66b1;
/* rgb */ color: rgb(47, 102, 177);
/* oklch */ color: oklch(51.2% 0.133 257.0);

Tailwind

colors: {
  custom: {
    50: '#7891c9',
    500: '#2f66b1',
    950: '#000000',
  },
}

SCSS

$custom: #2f66b1;
$custom-light: #7891c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f66b1",
  "rgb": {
    "r": 47,
    "g": 102,
    "b": 177
  },
  "hsl": {
    "h": 214.615,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51237,
    "c": 0.13252,
    "h": 257
  },
  "luminance": 0.13281
}

Semantic roles & 50–950 ramp

primary

#2F66B1

secondary

#C5A476

accent

#A047E1

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2F66B1

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

Preview Lab → · Contrast checker → · Palette generator →