#2B5FB4#2B5FB4

#2B5FB4 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.7% C 0.146 H 259.8°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#2B5FB4
RGB	rgb(43, 95, 180)
HSL	hsl(217, 61%, 44%)
HSV	hsv(217, 76%, 71%)
CMYK	cmyk(76.1%, 47.2%, 0%, 29.4%)
CIE-LAB	lab(41.20, 13.17, -50.11)
CIE-LCH	lch(41.20, 51.81, 284.73°)
OKLab	oklab(49.73% -0.0259 -0.1438)
OKLCH	oklch(49.73% 0.146 259.8)
XYZ	xyz(13.3237, 11.9918, 44.7836)
Luminance	0.1199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5FB4 #B4802B

analogous

#2BA3B4 #2B5FB4 #3B2BB4

triadic

#2B5FB4 #B42B5F #5FB42B

tetradic

#2B5FB4 #B42BA3 #B4802B #2BB43B

square

#2B5FB4 #B42BA3 #B4802B #2BB43B

split-complementary

#2B5FB4 #B43B2B #A3B42B

monochromatic

#132B51 #1F4583 #2B5FB4 #497DD3 #7AA1DF

Accessibility & contrast

On white

6.18

#2B5FB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#2B5FB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5FB4

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5FB4	#FFFFFF	#000000	##FFFFFF
##2B5FB4	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3168B7

Deuteranopia (green-blind)

#0B5BB2

Tritanopia (blue-blind)

#007381

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #2b5fb4;
/* rgb */ color: rgb(43, 95, 180);
/* oklch */ color: oklch(49.7% 0.146 259.8);

Tailwind

colors: {
  custom: {
    50: '#788bcb',
    500: '#2b5fb4',
    950: '#000000',
  },
}

SCSS

$custom: #2b5fb4;
$custom-light: #788bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5fb4",
  "rgb": {
    "r": 43,
    "g": 95,
    "b": 180
  },
  "hsl": {
    "h": 217.226,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.49729,
    "c": 0.14613,
    "h": 259.8
  },
  "luminance": 0.11993
}

Semantic roles & 50–950 ramp

primary

#2B5FB4

secondary

#C7A873

accent

#A743E5

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2B5FB4

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

Preview Lab → · Contrast checker → · Palette generator →