#2E55B7#2E55B7

#2E55B7 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.9% C 0.162 H 264.6°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#2E55B7
RGB	rgb(46, 85, 183)
HSL	hsl(223, 60%, 45%)
HSV	hsv(223, 75%, 72%)
CMYK	cmyk(74.9%, 53.6%, 0%, 28.2%)
CIE-LAB	lab(38.72, 21.23, -55.88)
CIE-LCH	lch(38.72, 59.78, 290.81°)
OKLab	oklab(47.93% -0.0151 -0.1609)
OKLCH	oklch(47.93% 0.162 264.6)
XYZ	xyz(12.9194, 10.4953, 46.1355)
Luminance	0.1050 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E55B7 #B7902E

analogous

#2E99B7 #2E55B7 #4C2EB7

triadic

#2E55B7 #B72E55 #55B72E

tetradic

#2E55B7 #B72E99 #B7902E #2EB74C

square

#2E55B7 #B72E99 #B7902E #2EB74C

split-complementary

#2E55B7 #B74C2E #99B72E

monochromatic

#152855 #223E86 #2E55B7 #4F75D3 #809BDF

Accessibility & contrast

On white

6.78

#2E55B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#2E55B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2E55B7

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E55B7	#FFFFFF	#000000	##FFFFFF
##2E55B7	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0962BA

Deuteranopia (green-blind)

#0055B5

Tritanopia (blue-blind)

#006D7D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2e55b7;
/* rgb */ color: rgb(46, 85, 183);
/* oklch */ color: oklch(47.9% 0.162 264.6);

Tailwind

colors: {
  custom: {
    50: '#7a84cd',
    500: '#2e55b7',
    950: '#000000',
  },
}

SCSS

$custom: #2e55b7;
$custom-light: #7a84cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2e55b7",
  "rgb": {
    "r": 46,
    "g": 85,
    "b": 183
  },
  "hsl": {
    "h": 222.92,
    "s": 59.825,
    "l": 44.902
  },
  "oklch": {
    "l": 0.47928,
    "c": 0.16163,
    "h": 264.6
  },
  "luminance": 0.10497
}

Semantic roles & 50–950 ramp

primary

#2E55B7

secondary

#C8B179

accent

#B645E3

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2E55B7

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

Preview Lab → · Contrast checker → · Palette generator →