#2B5FB8#2B5FB8

#2B5FB8 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.0% C 0.152 H 260.4°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#2B5FB8
RGB	rgb(43, 95, 184)
HSL	hsl(218, 62%, 45%)
HSV	hsv(218, 77%, 72%)
CMYK	cmyk(76.6%, 48.4%, 0%, 27.8%)
CIE-LAB	lab(41.46, 14.70, -52.03)
CIE-LCH	lch(41.46, 54.07, 285.78°)
OKLab	oklab(50.01% -0.0253 -0.1495)
OKLCH	oklch(50.01% 0.152 260.4)
XYZ	xyz(13.7371, 12.1571, 46.9607)
Luminance	0.1216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5FB8 #B8842B

analogous

#2BA6B8 #2B5FB8 #3D2BB8

triadic

#2B5FB8 #B82B5F #5FB82B

tetradic

#2B5FB8 #B82BA6 #B8842B #2BB83D

square

#2B5FB8 #B82BA6 #B8842B #2BB83D

split-complementary

#2B5FB8 #B83D2B #A6B82B

monochromatic

#142C55 #1F4586 #2B5FB8 #4B7ED5 #7DA2E1

Accessibility & contrast

On white

6.12

#2B5FB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#2B5FB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5FB8

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5FB8	#FFFFFF	#000000	##FFFFFF
##2B5FB8	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D69BB

Deuteranopia (green-blind)

#005CB6

Tritanopia (blue-blind)

#007482

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #2b5fb8;
/* rgb */ color: rgb(43, 95, 184);
/* oklch */ color: oklch(50.0% 0.152 260.4);

Tailwind

colors: {
  custom: {
    50: '#798bce',
    500: '#2b5fb8',
    950: '#000000',
  },
}

SCSS

$custom: #2b5fb8;
$custom-light: #798bce;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5fb8",
  "rgb": {
    "r": 43,
    "g": 95,
    "b": 184
  },
  "hsl": {
    "h": 217.872,
    "s": 62.115,
    "l": 44.51
  },
  "oklch": {
    "l": 0.50014,
    "c": 0.15159,
    "h": 260.4
  },
  "luminance": 0.12159
}

Semantic roles & 50–950 ramp

primary

#2B5FB8

secondary

#C9AA76

accent

#A943E5

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2B5FB8

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

Preview Lab → · Contrast checker → · Palette generator →