#2E55B5#2E55B5

#2E55B5 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.8% C 0.159 H 264.5°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#2E55B5
RGB	rgb(46, 85, 181)
HSL	hsl(223, 59%, 45%)
HSV	hsv(223, 75%, 71%)
CMYK	cmyk(74.6%, 53%, 0%, 29%)
CIE-LAB	lab(38.57, 20.48, -54.94)
CIE-LCH	lch(38.57, 58.63, 290.44°)
OKLab	oklab(47.77% -0.0153 -0.1582)
OKLCH	oklch(47.77% 0.159 264.5)
XYZ	xyz(12.7128, 10.4126, 45.0469)
Luminance	0.1041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E55B5 #B58E2E

analogous

#2E98B5 #2E55B5 #4B2EB5

triadic

#2E55B5 #B52E55 #55B52E

tetradic

#2E55B5 #B52E98 #B58E2E #2EB54B

square

#2E55B5 #B52E98 #B58E2E #2EB54B

split-complementary

#2E55B5 #B54B2E #98B52E

monochromatic

#152753 #223E84 #2E55B5 #4E74D2 #7F9BDE

Accessibility & contrast

On white

6.81

#2E55B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#2E55B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2E55B5

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E55B5	#FFFFFF	#000000	##FFFFFF
##2E55B5	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1061B8

Deuteranopia (green-blind)

#0055B3

Tritanopia (blue-blind)

#006C7D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2e55b5;
/* rgb */ color: rgb(46, 85, 181);
/* oklch */ color: oklch(47.8% 0.159 264.5);

Tailwind

colors: {
  custom: {
    50: '#7a84cc',
    500: '#2e55b5',
    950: '#000000',
  },
}

SCSS

$custom: #2e55b5;
$custom-light: #7a84cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2e55b5",
  "rgb": {
    "r": 46,
    "g": 85,
    "b": 181
  },
  "hsl": {
    "h": 222.667,
    "s": 59.471,
    "l": 44.51
  },
  "oklch": {
    "l": 0.47773,
    "c": 0.15889,
    "h": 264.5
  },
  "luminance": 0.10414
}

Semantic roles & 50–950 ramp

primary

#2E55B5

secondary

#C7B078

accent

#B545E3

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2E55B5

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

Preview Lab → · Contrast checker → · Palette generator →