#2B5CB3#2B5CB3

#2B5CB3 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.0% C 0.148 H 260.9°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#2B5CB3
RGB	rgb(43, 92, 179)
HSL	hsl(218, 61%, 44%)
HSV	hsv(218, 76%, 70%)
CMYK	cmyk(76%, 48.6%, 0%, 29.8%)
CIE-LAB	lab(40.28, 14.74, -51.01)
CIE-LCH	lch(40.28, 53.09, 286.12°)
OKLab	oklab(49% -0.0235 -0.1465)
OKLCH	oklch(49% 0.148 260.9)
XYZ	xyz(12.9572, 11.4211, 44.1607)
Luminance	0.1142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5CB3 #B3822B

analogous

#2BA0B3 #2B5CB3 #3E2BB3

triadic

#2B5CB3 #B32B5C #5CB32B

tetradic

#2B5CB3 #B32BA0 #B3822B #2BB33E

square

#2B5CB3 #B32BA0 #B3822B #2BB33E

split-complementary

#2B5CB3 #B33E2B #A0B32B

monochromatic

#132950 #1F4382 #2B5CB3 #487AD3 #799EDF

Accessibility & contrast

On white

6.39

#2B5CB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#2B5CB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5CB3

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5CB3	#FFFFFF	#000000	##FFFFFF
##2B5CB3	1.00	6.39	3.28	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B66B6

Deuteranopia (green-blind)

#0059B1

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2b5cb3;
/* rgb */ color: rgb(43, 92, 179);
/* oklch */ color: oklch(49.0% 0.148 260.9);

Tailwind

colors: {
  custom: {
    50: '#7889ca',
    500: '#2b5cb3',
    950: '#000000',
  },
}

SCSS

$custom: #2b5cb3;
$custom-light: #7889ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5cb3",
  "rgb": {
    "r": 43,
    "g": 92,
    "b": 179
  },
  "hsl": {
    "h": 218.382,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.49,
    "c": 0.14839,
    "h": 260.9
  },
  "luminance": 0.11423
}

Semantic roles & 50–950 ramp

primary

#2B5CB3

secondary

#C7A973

accent

#AA43E4

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B5CB3

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

Preview Lab → · Contrast checker → · Palette generator →