#2B5DB0#2B5DB0

#2B5DB0 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.0% C 0.143 H 260.0°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#2B5DB0
RGB	rgb(43, 93, 176)
HSL	hsl(217, 61%, 43%)
HSV	hsv(217, 76%, 69%)
CMYK	cmyk(75.6%, 47.2%, 0%, 31%)
CIE-LAB	lab(40.37, 12.94, -49.10)
CIE-LCH	lch(40.37, 50.78, 284.77°)
OKLab	oklab(49.01% -0.0249 -0.1409)
OKLCH	oklch(49.01% 0.143 260)
XYZ	xyz(12.7442, 11.4754, 42.6092)
Luminance	0.1148 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5DB0 #B07E2B

analogous

#2B9FB0 #2B5DB0 #3C2BB0

triadic

#2B5DB0 #B02B5D #5DB02B

tetradic

#2B5DB0 #B02B9F #B07E2B #2BB03C

square

#2B5DB0 #B02B9F #B07E2B #2BB03C

split-complementary

#2B5DB0 #B03C2B #9FB02B

monochromatic

#13294E #1F437F #2B5DB0 #467BD2 #789EDE

Accessibility & contrast

On white

6.37

#2B5DB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#2B5DB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5DB0

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5DB0	#FFFFFF	#000000	##FFFFFF
##2B5DB0	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3066B3

Deuteranopia (green-blind)

#0D59AE

Tritanopia (blue-blind)

#00717E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2b5db0;
/* rgb */ color: rgb(43, 93, 176);
/* oklch */ color: oklch(49.0% 0.143 260.0);

Tailwind

colors: {
  custom: {
    50: '#778ac8',
    500: '#2b5db0',
    950: '#000000',
  },
}

SCSS

$custom: #2b5db0;
$custom-light: #778ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5db0",
  "rgb": {
    "r": 43,
    "g": 93,
    "b": 176
  },
  "hsl": {
    "h": 217.444,
    "s": 60.731,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49005,
    "c": 0.14306,
    "h": 260
  },
  "luminance": 0.11477
}

Semantic roles & 50–950 ramp

primary

#2B5DB0

secondary

#C6A671

accent

#A844E4

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B5DB0

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

Preview Lab → · Contrast checker → · Palette generator →