#2B5EB0#2B5EB0

#2B5EB0 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.2% C 0.142 H 259.6°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#2B5EB0
RGB	rgb(43, 94, 176)
HSL	hsl(217, 61%, 43%)
HSV	hsv(217, 76%, 69%)
CMYK	cmyk(75.6%, 46.6%, 0%, 31%)
CIE-LAB	lab(40.66, 12.29, -48.64)
CIE-LCH	lch(40.66, 50.17, 284.18°)
OKLab	oklab(49.23% -0.0257 -0.1395)
OKLCH	oklch(49.23% 0.142 259.6)
XYZ	xyz(12.8326, 11.6521, 42.6386)
Luminance	0.1165 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5EB0 #B07D2B

analogous

#2BA1B0 #2B5EB0 #3A2BB0

triadic

#2B5EB0 #B02B5E #5EB02B

tetradic

#2B5EB0 #B02BA1 #B07D2B #2BB03A

square

#2B5EB0 #B02BA1 #B07D2B #2BB03A

split-complementary

#2B5EB0 #B03A2B #A1B02B

monochromatic

#13294E #1F447F #2B5EB0 #467CD2 #789FDE

Accessibility & contrast

On white

6.30

#2B5EB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#2B5EB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5EB0

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5EB0	#FFFFFF	#000000	##FFFFFF
##2B5EB0	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3366B3

Deuteranopia (green-blind)

#125AAE

Tritanopia (blue-blind)

#00717E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #2b5eb0;
/* rgb */ color: rgb(43, 94, 176);
/* oklch */ color: oklch(49.2% 0.142 259.6);

Tailwind

colors: {
  custom: {
    50: '#778bc8',
    500: '#2b5eb0',
    950: '#000000',
  },
}

SCSS

$custom: #2b5eb0;
$custom-light: #778bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5eb0",
  "rgb": {
    "r": 43,
    "g": 94,
    "b": 176
  },
  "hsl": {
    "h": 216.992,
    "s": 60.731,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49227,
    "c": 0.14185,
    "h": 259.6
  },
  "luminance": 0.11654
}

Semantic roles & 50–950 ramp

primary

#2B5EB0

secondary

#C6A571

accent

#A744E4

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B5EB0

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

Preview Lab → · Contrast checker → · Palette generator →