#2D66B3#2D66B3

#2D66B3 is a mid, vivid cyan. Relative luminance 0.133; OKLCH L 51.3% C 0.136 H 256.9°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#2D66B3
RGB	rgb(45, 102, 179)
HSL	hsl(214, 60%, 44%)
HSV	hsv(214, 75%, 70%)
CMYK	cmyk(74.9%, 43%, 0%, 29.8%)
CIE-LAB	lab(43.23, 8.54, -46.27)
CIE-LCH	lch(43.23, 47.05, 280.46°)
OKLab	oklab(51.3% -0.0308 -0.1323)
OKLCH	oklch(51.3% 0.136 256.9)
XYZ	xyz(13.9673, 13.3137, 44.4728)
Luminance	0.1331 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D66B3 #B37A2D

analogous

#2DA9B3 #2D66B3 #372DB3

triadic

#2D66B3 #B32D66 #66B32D

tetradic

#2D66B3 #B32DA9 #B37A2D #2DB337

square

#2D66B3 #B32DA9 #B37A2D #2DB337

split-complementary

#2D66B3 #B3372D #A9B32D

monochromatic

#142E51 #214A82 #2D66B3 #4B85D2 #7CA6DE

Accessibility & contrast

On white

5.73

#2D66B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#2D66B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D66B3

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D66B3	#FFFFFF	#000000	##FFFFFF
##2D66B3	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#406DB6

Deuteranopia (green-blind)

#2860B1

Tritanopia (blue-blind)

#007884

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2d66b3;
/* rgb */ color: rgb(45, 102, 179);
/* oklch */ color: oklch(51.3% 0.136 256.9);

Tailwind

colors: {
  custom: {
    50: '#7891ca',
    500: '#2d66b3',
    950: '#000000',
  },
}

SCSS

$custom: #2d66b3;
$custom-light: #7891ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2d66b3",
  "rgb": {
    "r": 45,
    "g": 102,
    "b": 179
  },
  "hsl": {
    "h": 214.478,
    "s": 59.821,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51295,
    "c": 0.13589,
    "h": 256.9
  },
  "luminance": 0.13315
}

Semantic roles & 50–950 ramp

primary

#2D66B3

secondary

#C7A475

accent

#A045E3

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2D66B3

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

Preview Lab → · Contrast checker → · Palette generator →