#2B5FBB#2B5FBB

#2B5FBB is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.2% C 0.156 H 260.8°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#2B5FBB
RGB	rgb(43, 95, 187)
HSL	hsl(218, 63%, 45%)
HSV	hsv(218, 77%, 73%)
CMYK	cmyk(77%, 49.2%, 0%, 26.7%)
CIE-LAB	lab(41.66, 15.85, -53.46)
CIE-LCH	lch(41.66, 55.76, 286.51°)
OKLab	oklab(50.23% -0.0248 -0.1537)
OKLCH	oklch(50.23% 0.156 260.8)
XYZ	xyz(14.0549, 12.2843, 48.6344)
Luminance	0.1229 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5FBB #BB872B

analogous

#2BA7BB #2B5FBB #3F2BBB

triadic

#2B5FBB #BB2B5F #5FBB2B

tetradic

#2B5FBB #BB2BA7 #BB872B #2BBB3F

square

#2B5FBB #BB2BA7 #BB872B #2BBB3F

split-complementary

#2B5FBB #BB3F2B #A7BB2B

monochromatic

#142C57 #204689 #2B5FBB #4D7FD6 #7FA2E2

Accessibility & contrast

On white

6.07

#2B5FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#2B5FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5FBB

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5FBB	#FFFFFF	#000000	##FFFFFF
##2B5FBB	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2969BE

Deuteranopia (green-blind)

#005CB9

Tritanopia (blue-blind)

#007584

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #2b5fbb;
/* rgb */ color: rgb(43, 95, 187);
/* oklch */ color: oklch(50.2% 0.156 260.8);

Tailwind

colors: {
  custom: {
    50: '#798bd0',
    500: '#2b5fbb',
    950: '#000000',
  },
}

SCSS

$custom: #2b5fbb;
$custom-light: #798bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5fbb",
  "rgb": {
    "r": 43,
    "g": 95,
    "b": 187
  },
  "hsl": {
    "h": 218.333,
    "s": 62.609,
    "l": 45.098
  },
  "oklch": {
    "l": 0.50231,
    "c": 0.15567,
    "h": 260.8
  },
  "luminance": 0.12286
}

Semantic roles & 50–950 ramp

primary

#2B5FBB

secondary

#CAAC78

accent

#AB42E6

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #2B5FBB

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

Preview Lab → · Contrast checker → · Palette generator →