#2B5FB3#2B5FB3

#2B5FB3 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.7% C 0.145 H 259.6°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#2B5FB3
RGB	rgb(43, 95, 179)
HSL	hsl(217, 61%, 44%)
HSV	hsv(217, 76%, 70%)
CMYK	cmyk(76%, 46.9%, 0%, 29.8%)
CIE-LAB	lab(41.14, 12.79, -49.63)
CIE-LCH	lch(41.14, 51.25, 284.45°)
OKLab	oklab(49.66% -0.0261 -0.1424)
OKLCH	oklch(49.66% 0.145 259.6)
XYZ	xyz(13.2222, 11.9512, 44.2490)
Luminance	0.1195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5FB3 #B37F2B

analogous

#2BA3B3 #2B5FB3 #3B2BB3

triadic

#2B5FB3 #B32B5F #5FB32B

tetradic

#2B5FB3 #B32BA3 #B37F2B #2BB33B

square

#2B5FB3 #B32BA3 #B37F2B #2BB33B

split-complementary

#2B5FB3 #B33B2B #A3B32B

monochromatic

#132B50 #1F4582 #2B5FB3 #487DD3 #79A0DF

Accessibility & contrast

On white

6.19

#2B5FB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#2B5FB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5FB3

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5FB3	#FFFFFF	#000000	##FFFFFF
##2B5FB3	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3268B6

Deuteranopia (green-blind)

#0F5BB1

Tritanopia (blue-blind)

#007380

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #2b5fb3;
/* rgb */ color: rgb(43, 95, 179);
/* oklch */ color: oklch(49.7% 0.145 259.6);

Tailwind

colors: {
  custom: {
    50: '#788bca',
    500: '#2b5fb3',
    950: '#000000',
  },
}

SCSS

$custom: #2b5fb3;
$custom-light: #788bca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5fb3",
  "rgb": {
    "r": 43,
    "g": 95,
    "b": 179
  },
  "hsl": {
    "h": 217.059,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.49658,
    "c": 0.14476,
    "h": 259.6
  },
  "luminance": 0.11953
}

Semantic roles & 50–950 ramp

primary

#2B5FB3

secondary

#C7A773

accent

#A743E4

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2B5FB3

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

Preview Lab → · Contrast checker → · Palette generator →