#2B56B2#2B56B2

#2B56B2 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.6% C 0.154 H 263.0°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#2B56B2
RGB	rgb(43, 86, 178)
HSL	hsl(221, 61%, 43%)
HSV	hsv(221, 76%, 70%)
CMYK	cmyk(75.8%, 51.7%, 0%, 30.2%)
CIE-LAB	lab(38.52, 18.30, -53.26)
CIE-LCH	lch(38.52, 56.32, 288.96°)
OKLab	oklab(47.63% -0.0188 -0.1533)
OKLCH	oklch(47.63% 0.154 263)
XYZ	xyz(12.3571, 10.3821, 43.4635)
Luminance	0.1038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B56B2 #B2872B

analogous

#2B99B2 #2B56B2 #432BB2

triadic

#2B56B2 #B22B56 #56B22B

tetradic

#2B56B2 #B22B99 #B2872B #2BB243

square

#2B56B2 #B22B99 #B2872B #2BB243

split-complementary

#2B56B2 #B2432B #99B22B

monochromatic

#13264F #1F3E81 #2B56B2 #4874D3 #7999DF

Accessibility & contrast

On white

6.83

#2B56B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#2B56B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B56B2

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B56B2	#FFFFFF	#000000	##FFFFFF
##2B56B2	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A61B5

Deuteranopia (green-blind)

#0055B0

Tritanopia (blue-blind)

#006C7B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2b56b2;
/* rgb */ color: rgb(43, 86, 178);
/* oklch */ color: oklch(47.6% 0.154 263.0);

Tailwind

colors: {
  custom: {
    50: '#7885ca',
    500: '#2b56b2',
    950: '#000000',
  },
}

SCSS

$custom: #2b56b2;
$custom-light: #7885ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b56b2",
  "rgb": {
    "r": 43,
    "g": 86,
    "b": 178
  },
  "hsl": {
    "h": 220.889,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.47632,
    "c": 0.15441,
    "h": 263
  },
  "luminance": 0.10384
}

Semantic roles & 50–950 ramp

primary

#2B56B2

secondary

#C7AC72

accent

#B144E4

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2B56B2

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

Preview Lab → · Contrast checker → · Palette generator →