#2B5FC8#2B5FC8

#2B5FC8 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.2% C 0.173 H 262.3°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#2B5FC8
RGB	rgb(43, 95, 200)
HSL	hsl(220, 65%, 48%)
HSV	hsv(220, 79%, 78%)
CMYK	cmyk(78.5%, 52.5%, 0%, 21.6%)
CIE-LAB	lab(42.56, 20.81, -59.56)
CIE-LCH	lch(42.56, 63.09, 289.26°)
OKLab	oklab(51.2% -0.0232 -0.1716)
OKLCH	oklch(51.2% 0.173 262.3)
XYZ	xyz(15.5100, 12.8663, 56.2984)
Luminance	0.1287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5FC8 #C8942B

analogous

#2BAEC8 #2B5FC8 #452BC8

triadic

#2B5FC8 #C82B5F #5FC82B

tetradic

#2B5FC8 #C82BAE #C8942B #2BC845

square

#2B5FC8 #C82BAE #C8942B #2BC845

split-complementary

#2B5FC8 #C8452B #AEC82B

monochromatic

#152F63 #204796 #2B5FC8 #5682DB #88A7E5

Accessibility & contrast

On white

5.88

#2B5FC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#2B5FC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5FC8

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5FC8	#FFFFFF	#000000	##FFFFFF
##2B5FC8	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#116CCC

Deuteranopia (green-blind)

#005EC6

Tritanopia (blue-blind)

#00798A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2b5fc8;
/* rgb */ color: rgb(43, 95, 200);
/* oklch */ color: oklch(51.2% 0.173 262.3);

Tailwind

colors: {
  custom: {
    50: '#7c8bd9',
    500: '#2b5fc8',
    950: '#000000',
  },
}

SCSS

$custom: #2b5fc8;
$custom-light: #7c8bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5fc8",
  "rgb": {
    "r": 43,
    "g": 95,
    "b": 200
  },
  "hsl": {
    "h": 220.127,
    "s": 64.609,
    "l": 47.647
  },
  "oklch": {
    "l": 0.51201,
    "c": 0.17318,
    "h": 262.3
  },
  "luminance": 0.12868
}

Semantic roles & 50–950 ramp

primary

#2B5FC8

secondary

#CFB580

accent

#B040E8

background

#F8F8FD

surface

#EFF0FB

border

#CACBD4

text

#0B0C15

muted

#7C7D83

Preview Lab

Preview with #2B5FC8

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

Preview Lab → · Contrast checker → · Palette generator →