#2B5ABC#2B5ABC

#2B5ABC is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.2% C 0.163 H 262.7°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#2B5ABC
RGB	rgb(43, 90, 188)
HSL	hsl(221, 63%, 45%)
HSV	hsv(221, 77%, 74%)
CMYK	cmyk(77.1%, 52.1%, 0%, 26.3%)
CIE-LAB	lab(40.34, 19.50, -56.19)
CIE-LCH	lch(40.34, 59.48, 289.13°)
OKLab	oklab(49.24% -0.0208 -0.1618)
OKLCH	oklch(49.24% 0.163 262.7)
XYZ	xyz(13.7263, 11.4552, 49.0549)
Luminance	0.1146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5ABC #BC8D2B

analogous

#2BA2BC #2B5ABC #452BBC

triadic

#2B5ABC #BC2B5A #5ABC2B

tetradic

#2B5ABC #BC2BA2 #BC8D2B #2BBC45

square

#2B5ABC #BC2BA2 #BC8D2B #2BBC45

split-complementary

#2B5ABC #BC452B #A2BC2B

monochromatic

#142A58 #20428A #2B5ABC #4E7AD6 #809FE2

Accessibility & contrast

On white

6.38

#2B5ABC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#2B5ABC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5ABC

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5ABC	#FFFFFF	#000000	##FFFFFF
##2B5ABC	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1666BF

Deuteranopia (green-blind)

#0059BA

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2b5abc;
/* rgb */ color: rgb(43, 90, 188);
/* oklch */ color: oklch(49.2% 0.163 262.7);

Tailwind

colors: {
  custom: {
    50: '#7a88d1',
    500: '#2b5abc',
    950: '#000000',
  },
}

SCSS

$custom: #2b5abc;
$custom-light: #7a88d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5abc",
  "rgb": {
    "r": 43,
    "g": 90,
    "b": 188
  },
  "hsl": {
    "h": 220.552,
    "s": 62.771,
    "l": 45.294
  },
  "oklch": {
    "l": 0.49239,
    "c": 0.16313,
    "h": 262.7
  },
  "luminance": 0.11457
}

Semantic roles & 50–950 ramp

primary

#2B5ABC

secondary

#CBB078

accent

#B142E6

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2B5ABC

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

Preview Lab → · Contrast checker → · Palette generator →