#2B5FBC#2B5FBC

#2B5FBC is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.3% C 0.157 H 261.0°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#2B5FBC
RGB	rgb(43, 95, 188)
HSL	hsl(218, 63%, 45%)
HSV	hsv(218, 77%, 74%)
CMYK	cmyk(77.1%, 49.5%, 0%, 26.3%)
CIE-LAB	lab(41.73, 16.23, -53.94)
CIE-LCH	lch(41.73, 56.33, 286.75°)
OKLab	oklab(50.3% -0.0247 -0.1551)
OKLCH	oklch(50.3% 0.157 261)
XYZ	xyz(14.1623, 12.3272, 49.2002)
Luminance	0.1233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5FBC #BC882B

analogous

#2BA7BC #2B5FBC #402BBC

triadic

#2B5FBC #BC2B5F #5FBC2B

tetradic

#2B5FBC #BC2BA7 #BC882B #2BBC40

square

#2B5FBC #BC2BA7 #BC882B #2BBC40

split-complementary

#2B5FBC #BC402B #A7BC2B

monochromatic

#142D58 #20468A #2B5FBC #4E7FD6 #80A3E2

Accessibility & contrast

On white

6.06

#2B5FBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#2B5FBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5FBC

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5FBC	#FFFFFF	#000000	##FFFFFF
##2B5FBC	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2869BF

Deuteranopia (green-blind)

#005CBA

Tritanopia (blue-blind)

#007584

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #2b5fbc;
/* rgb */ color: rgb(43, 95, 188);
/* oklch */ color: oklch(50.3% 0.157 261.0);

Tailwind

colors: {
  custom: {
    50: '#7a8bd1',
    500: '#2b5fbc',
    950: '#000000',
  },
}

SCSS

$custom: #2b5fbc;
$custom-light: #7a8bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5fbc",
  "rgb": {
    "r": 43,
    "g": 95,
    "b": 188
  },
  "hsl": {
    "h": 218.483,
    "s": 62.771,
    "l": 45.294
  },
  "oklch": {
    "l": 0.50304,
    "c": 0.15702,
    "h": 261
  },
  "luminance": 0.12329
}

Semantic roles & 50–950 ramp

primary

#2B5FBC

secondary

#CBAD78

accent

#AB42E6

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #2B5FBC

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

Preview Lab → · Contrast checker → · Palette generator →