#2E66B5#2E66B5

#2E66B5 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 51.5% C 0.138 H 257.6°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#2E66B5
RGB	rgb(46, 102, 181)
HSL	hsl(215, 59%, 45%)
HSV	hsv(215, 75%, 71%)
CMYK	cmyk(74.6%, 43.6%, 0%, 29%)
CIE-LAB	lab(43.39, 9.43, -47.19)
CIE-LCH	lch(43.39, 48.12, 281.30°)
OKLab	oklab(51.46% -0.0297 -0.135)
OKLCH	oklch(51.46% 0.138 257.6)
XYZ	xyz(14.2155, 13.4182, 45.5479)
Luminance	0.1342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E66B5 #B57D2E

analogous

#2EAAB5 #2E66B5 #3A2EB5

triadic

#2E66B5 #B52E66 #66B52E

tetradic

#2E66B5 #B52EAA #B57D2E #2EB53A

square

#2E66B5 #B52EAA #B57D2E #2EB53A

split-complementary

#2E66B5 #B53A2E #AAB52E

monochromatic

#152F53 #224B84 #2E66B5 #4E85D2 #7FA7DE

Accessibility & contrast

On white

5.70

#2E66B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#2E66B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2E66B5

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E66B5	#FFFFFF	#000000	##FFFFFF
##2E66B5	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F6DB8

Deuteranopia (green-blind)

#2661B3

Tritanopia (blue-blind)

#007984

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2e66b5;
/* rgb */ color: rgb(46, 102, 181);
/* oklch */ color: oklch(51.5% 0.138 257.6);

Tailwind

colors: {
  custom: {
    50: '#7991cc',
    500: '#2e66b5',
    950: '#000000',
  },
}

SCSS

$custom: #2e66b5;
$custom-light: #7991cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2e66b5",
  "rgb": {
    "r": 46,
    "g": 102,
    "b": 181
  },
  "hsl": {
    "h": 215.111,
    "s": 59.471,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51463,
    "c": 0.13828,
    "h": 257.6
  },
  "luminance": 0.1342
}

Semantic roles & 50–950 ramp

primary

#2E66B5

secondary

#C7A678

accent

#A145E3

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2E66B5

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

Preview Lab → · Contrast checker → · Palette generator →