#2B5EB5#2B5EB5

#2B5EB5 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.6% C 0.149 H 260.4°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#2B5EB5
RGB	rgb(43, 94, 181)
HSL	hsl(218, 62%, 44%)
HSV	hsv(218, 76%, 71%)
CMYK	cmyk(76.2%, 48.1%, 0%, 29%)
CIE-LAB	lab(40.98, 14.20, -51.05)
CIE-LCH	lch(40.98, 52.99, 285.55°)
OKLab	oklab(49.58% -0.0249 -0.1466)
OKLCH	oklch(49.58% 0.149 260.4)
XYZ	xyz(13.3364, 11.8537, 45.2922)
Luminance	0.1186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5EB5 #B5822B

analogous

#2BA3B5 #2B5EB5 #3D2BB5

triadic

#2B5EB5 #B52B5E #5EB52B

tetradic

#2B5EB5 #B52BA3 #B5822B #2BB53D

square

#2B5EB5 #B52BA3 #B5822B #2BB53D

split-complementary

#2B5EB5 #B53D2B #A3B52B

monochromatic

#142B52 #1F4484 #2B5EB5 #497DD4 #7BA0E0

Accessibility & contrast

On white

6.23

#2B5EB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#2B5EB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5EB5

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5EB5	#FFFFFF	#000000	##FFFFFF
##2B5EB5	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E67B8

Deuteranopia (green-blind)

#005BB3

Tritanopia (blue-blind)

#007381

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #2b5eb5;
/* rgb */ color: rgb(43, 94, 181);
/* oklch */ color: oklch(49.6% 0.149 260.4);

Tailwind

colors: {
  custom: {
    50: '#788bcc',
    500: '#2b5eb5',
    950: '#000000',
  },
}

SCSS

$custom: #2b5eb5;
$custom-light: #788bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5eb5",
  "rgb": {
    "r": 43,
    "g": 94,
    "b": 181
  },
  "hsl": {
    "h": 217.826,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.49581,
    "c": 0.1487,
    "h": 260.4
  },
  "luminance": 0.11855
}

Semantic roles & 50–950 ramp

primary

#2B5EB5

secondary

#C8A974

accent

#A943E5

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B5EB5

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

Preview Lab → · Contrast checker → · Palette generator →