#2D66B8#2D66B8

#2D66B8 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.6% C 0.143 H 257.9°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#2D66B8
RGB	rgb(45, 102, 184)
HSL	hsl(215, 61%, 45%)
HSV	hsv(215, 76%, 72%)
CMYK	cmyk(75.5%, 44.6%, 0%, 27.8%)
CIE-LAB	lab(43.54, 10.43, -48.70)
CIE-LCH	lch(43.54, 49.80, 282.09°)
OKLab	oklab(51.63% -0.0298 -0.1395)
OKLCH	oklch(51.63% 0.143 257.9)
XYZ	xyz(14.4821, 13.5197, 47.1844)
Luminance	0.1352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D66B8 #B87F2D

analogous

#2DABB8 #2D66B8 #3A2DB8

triadic

#2D66B8 #B82D66 #66B82D

tetradic

#2D66B8 #B82DAB #B87F2D #2DB83A

square

#2D66B8 #B82DAB #B87F2D #2DB83A

split-complementary

#2D66B8 #B83A2D #ABB82D

monochromatic

#152F56 #214B87 #2D66B8 #4E85D4 #80A7E0

Accessibility & contrast

On white

5.67

#2D66B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#2D66B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D66B8

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D66B8	#FFFFFF	#000000	##FFFFFF
##2D66B8	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C6EBB

Deuteranopia (green-blind)

#2061B6

Tritanopia (blue-blind)

#007986

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #2d66b8;
/* rgb */ color: rgb(45, 102, 184);
/* oklch */ color: oklch(51.6% 0.143 257.9);

Tailwind

colors: {
  custom: {
    50: '#7991ce',
    500: '#2d66b8',
    950: '#000000',
  },
}

SCSS

$custom: #2d66b8;
$custom-light: #7991ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2d66b8",
  "rgb": {
    "r": 45,
    "g": 102,
    "b": 184
  },
  "hsl": {
    "h": 215.396,
    "s": 60.699,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51628,
    "c": 0.14266,
    "h": 257.9
  },
  "luminance": 0.13521
}

Semantic roles & 50–950 ramp

primary

#2D66B8

secondary

#C9A878

accent

#A244E4

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2D66B8

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

Preview Lab → · Contrast checker → · Palette generator →