#2B66B7#2B66B7

#2B66B7 is a mid, vivid cyan. Relative luminance 0.134; OKLCH L 51.5% C 0.142 H 257.3°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#2B66B7
RGB	rgb(43, 102, 183)
HSL	hsl(215, 62%, 44%)
HSV	hsv(215, 77%, 72%)
CMYK	cmyk(76.5%, 44.3%, 0%, 28.2%)
CIE-LAB	lab(43.41, 9.80, -48.32)
CIE-LCH	lch(43.41, 49.31, 281.47°)
OKLab	oklab(51.49% -0.0313 -0.1384)
OKLCH	oklch(51.49% 0.142 257.3)
XYZ	xyz(14.2917, 13.4336, 46.6303)
Luminance	0.1343 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B66B7 #B77C2B

analogous

#2BACB7 #2B66B7 #362BB7

triadic

#2B66B7 #B72B66 #66B72B

tetradic

#2B66B7 #B72BAC #B77C2B #2BB736

square

#2B66B7 #B72BAC #B77C2B #2BB736

split-complementary

#2B66B7 #B7362B #ACB72B

monochromatic

#142F54 #1F4A85 #2B66B7 #4B85D5 #7CA6E0

Accessibility & contrast

On white

5.70

#2B66B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#2B66B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B66B7

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B66B7	#FFFFFF	#000000	##FFFFFF
##2B66B7	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D6DBA

Deuteranopia (green-blind)

#2161B5

Tritanopia (blue-blind)

#007985

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #2b66b7;
/* rgb */ color: rgb(43, 102, 183);
/* oklch */ color: oklch(51.5% 0.142 257.3);

Tailwind

colors: {
  custom: {
    50: '#7891cd',
    500: '#2b66b7',
    950: '#000000',
  },
}

SCSS

$custom: #2b66b7;
$custom-light: #7891cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b66b7",
  "rgb": {
    "r": 43,
    "g": 102,
    "b": 183
  },
  "hsl": {
    "h": 214.714,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51492,
    "c": 0.14193,
    "h": 257.3
  },
  "luminance": 0.13435
}

Semantic roles & 50–950 ramp

primary

#2B66B7

secondary

#C9A575

accent

#A143E5

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2B66B7

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

Preview Lab → · Contrast checker → · Palette generator →