#2B5DB3#2B5DB3

#2B5DB3 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.2% C 0.147 H 260.5°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#2B5DB3
RGB	rgb(43, 93, 179)
HSL	hsl(218, 61%, 44%)
HSV	hsv(218, 76%, 70%)
CMYK	cmyk(76%, 48%, 0%, 29.8%)
CIE-LAB	lab(40.57, 14.09, -50.55)
CIE-LCH	lch(40.57, 52.48, 285.58°)
OKLab	oklab(49.22% -0.0244 -0.1451)
OKLCH	oklch(49.22% 0.147 260.5)
XYZ	xyz(13.0444, 11.5955, 44.1898)
Luminance	0.1160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5DB3 #B3812B

analogous

#2BA1B3 #2B5DB3 #3D2BB3

triadic

#2B5DB3 #B32B5D #5DB32B

tetradic

#2B5DB3 #B32BA1 #B3812B #2BB33D

square

#2B5DB3 #B32BA1 #B3812B #2BB33D

split-complementary

#2B5DB3 #B33D2B #A1B32B

monochromatic

#132A50 #1F4382 #2B5DB3 #487BD3 #799FDF

Accessibility & contrast

On white

6.33

#2B5DB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#2B5DB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5DB3

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5DB3	#FFFFFF	#000000	##FFFFFF
##2B5DB3	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D66B6

Deuteranopia (green-blind)

#015AB1

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #2b5db3;
/* rgb */ color: rgb(43, 93, 179);
/* oklch */ color: oklch(49.2% 0.147 260.5);

Tailwind

colors: {
  custom: {
    50: '#788aca',
    500: '#2b5db3',
    950: '#000000',
  },
}

SCSS

$custom: #2b5db3;
$custom-light: #788aca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5db3",
  "rgb": {
    "r": 43,
    "g": 93,
    "b": 179
  },
  "hsl": {
    "h": 217.941,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.49218,
    "c": 0.14717,
    "h": 260.5
  },
  "luminance": 0.11597
}

Semantic roles & 50–950 ramp

primary

#2B5DB3

secondary

#C7A873

accent

#A943E4

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B5DB3

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

Preview Lab → · Contrast checker → · Palette generator →