#2B5DB2#2B5DB2

#2B5DB2 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.1% C 0.146 H 260.3°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#2B5DB2
RGB	rgb(43, 93, 178)
HSL	hsl(218, 61%, 43%)
HSV	hsv(218, 76%, 70%)
CMYK	cmyk(75.8%, 47.8%, 0%, 30.2%)
CIE-LAB	lab(40.50, 13.71, -50.07)
CIE-LCH	lch(40.50, 51.91, 285.31°)
OKLab	oklab(49.15% -0.0245 -0.1437)
OKLCH	oklch(49.15% 0.146 260.3)
XYZ	xyz(12.9436, 11.5552, 43.6591)
Luminance	0.1156 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5DB2 #B2802B

analogous

#2BA0B2 #2B5DB2 #3D2BB2

triadic

#2B5DB2 #B22B5D #5DB22B

tetradic

#2B5DB2 #B22BA0 #B2802B #2BB23D

square

#2B5DB2 #B22BA0 #B2802B #2BB23D

split-complementary

#2B5DB2 #B23D2B #A0B22B

monochromatic

#13294F #1F4381 #2B5DB2 #487BD3 #799FDF

Accessibility & contrast

On white

6.34

#2B5DB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#2B5DB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5DB2

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5DB2	#FFFFFF	#000000	##FFFFFF
##2B5DB2	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E66B5

Deuteranopia (green-blind)

#055AB0

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2b5db2;
/* rgb */ color: rgb(43, 93, 178);
/* oklch */ color: oklch(49.1% 0.146 260.3);

Tailwind

colors: {
  custom: {
    50: '#788aca',
    500: '#2b5db2',
    950: '#000000',
  },
}

SCSS

$custom: #2b5db2;
$custom-light: #788aca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5db2",
  "rgb": {
    "r": 43,
    "g": 93,
    "b": 178
  },
  "hsl": {
    "h": 217.778,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.49147,
    "c": 0.1458,
    "h": 260.3
  },
  "luminance": 0.11557
}

Semantic roles & 50–950 ramp

primary

#2B5DB2

secondary

#C7A772

accent

#A944E4

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B5DB2

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

Preview Lab → · Contrast checker → · Palette generator →