#2D66B5#2D66B5

#2D66B5 is a mid, vivid cyan. Relative luminance 0.134; OKLCH L 51.4% C 0.139 H 257.3°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#2D66B5
RGB	rgb(45, 102, 181)
HSL	hsl(215, 60%, 44%)
HSV	hsv(215, 75%, 71%)
CMYK	cmyk(75.1%, 43.6%, 0%, 29%)
CIE-LAB	lab(43.35, 9.30, -47.24)
CIE-LCH	lch(43.35, 48.15, 281.13°)
OKLab	oklab(51.43% -0.0304 -0.1352)
OKLCH	oklch(51.43% 0.139 257.3)
XYZ	xyz(14.1710, 13.3952, 45.5458)
Luminance	0.1340 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D66B5 #B57C2D

analogous

#2DAAB5 #2D66B5 #382DB5

triadic

#2D66B5 #B52D66 #66B52D

tetradic

#2D66B5 #B52DAA #B57C2D #2DB538

square

#2D66B5 #B52DAA #B57C2D #2DB538

split-complementary

#2D66B5 #B5382D #AAB52D

monochromatic

#152F53 #214A84 #2D66B5 #4D85D3 #7EA6DF

Accessibility & contrast

On white

5.71

#2D66B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#2D66B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D66B5

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D66B5	#FFFFFF	#000000	##FFFFFF
##2D66B5	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F6DB8

Deuteranopia (green-blind)

#2561B3

Tritanopia (blue-blind)

#007984

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2d66b5;
/* rgb */ color: rgb(45, 102, 181);
/* oklch */ color: oklch(51.4% 0.139 257.3);

Tailwind

colors: {
  custom: {
    50: '#7991cc',
    500: '#2d66b5',
    950: '#000000',
  },
}

SCSS

$custom: #2d66b5;
$custom-light: #7991cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2d66b5",
  "rgb": {
    "r": 45,
    "g": 102,
    "b": 181
  },
  "hsl": {
    "h": 214.853,
    "s": 60.177,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51427,
    "c": 0.1386,
    "h": 257.3
  },
  "luminance": 0.13397
}

Semantic roles & 50–950 ramp

primary

#2D66B5

secondary

#C7A576

accent

#A144E3

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2D66B5

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

Preview Lab → · Contrast checker → · Palette generator →