#2B5DB4#2B5DB4

#2B5DB4 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.3% C 0.149 H 260.6°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#2B5DB4
RGB	rgb(43, 93, 180)
HSL	hsl(218, 61%, 44%)
HSV	hsv(218, 76%, 71%)
CMYK	cmyk(76.1%, 48.3%, 0%, 29.4%)
CIE-LAB	lab(40.63, 14.47, -51.03)
CIE-LCH	lch(40.63, 53.04, 285.83°)
OKLab	oklab(49.29% -0.0242 -0.1466)
OKLCH	oklch(49.29% 0.149 260.6)
XYZ	xyz(13.1459, 11.6361, 44.7243)
Luminance	0.1164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5DB4 #B4822B

analogous

#2BA1B4 #2B5DB4 #3D2BB4

triadic

#2B5DB4 #B42B5D #5DB42B

tetradic

#2B5DB4 #B42BA1 #B4822B #2BB43D

square

#2B5DB4 #B42BA1 #B4822B #2BB43D

split-complementary

#2B5DB4 #B43D2B #A1B42B

monochromatic

#132A51 #1F4383 #2B5DB4 #497BD3 #7A9FDF

Accessibility & contrast

On white

6.31

#2B5DB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#2B5DB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5DB4

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5DB4	#FFFFFF	#000000	##FFFFFF
##2B5DB4	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C66B7

Deuteranopia (green-blind)

#005AB2

Tritanopia (blue-blind)

#007280

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #2b5db4;
/* rgb */ color: rgb(43, 93, 180);
/* oklch */ color: oklch(49.3% 0.149 260.6);

Tailwind

colors: {
  custom: {
    50: '#788acb',
    500: '#2b5db4',
    950: '#000000',
  },
}

SCSS

$custom: #2b5db4;
$custom-light: #788acb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5db4",
  "rgb": {
    "r": 43,
    "g": 93,
    "b": 180
  },
  "hsl": {
    "h": 218.102,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.4929,
    "c": 0.14855,
    "h": 260.6
  },
  "luminance": 0.11638
}

Semantic roles & 50–950 ramp

primary

#2B5DB4

secondary

#C7A973

accent

#AA43E5

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B5DB4

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

Preview Lab → · Contrast checker → · Palette generator →