#2B5CBC#2B5CBC

#2B5CBC is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.7% C 0.161 H 262.0°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#2B5CBC
RGB	rgb(43, 92, 188)
HSL	hsl(220, 63%, 45%)
HSV	hsv(220, 77%, 74%)
CMYK	cmyk(77.1%, 51.1%, 0%, 26.3%)
CIE-LAB	lab(40.89, 18.19, -55.29)
CIE-LCH	lch(40.89, 58.21, 288.21°)
OKLab	oklab(49.66% -0.0223 -0.1591)
OKLCH	oklch(49.66% 0.161 262)
XYZ	xyz(13.8972, 11.7971, 49.1118)
Luminance	0.1180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5CBC #BC8B2B

analogous

#2BA5BC #2B5CBC #422BBC

triadic

#2B5CBC #BC2B5C #5CBC2B

tetradic

#2B5CBC #BC2BA5 #BC8B2B #2BBC42

square

#2B5CBC #BC2BA5 #BC8B2B #2BBC42

split-complementary

#2B5CBC #BC422B #A5BC2B

monochromatic

#142B58 #20448A #2B5CBC #4E7CD6 #80A1E2

Accessibility & contrast

On white

6.25

#2B5CBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#2B5CBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5CBC

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5CBC	#FFFFFF	#000000	##FFFFFF
##2B5CBC	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E67BF

Deuteranopia (green-blind)

#005ABA

Tritanopia (blue-blind)

#007383

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #2b5cbc;
/* rgb */ color: rgb(43, 92, 188);
/* oklch */ color: oklch(49.7% 0.161 262.0);

Tailwind

colors: {
  custom: {
    50: '#7a89d1',
    500: '#2b5cbc',
    950: '#000000',
  },
}

SCSS

$custom: #2b5cbc;
$custom-light: #7a89d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5cbc",
  "rgb": {
    "r": 43,
    "g": 92,
    "b": 188
  },
  "hsl": {
    "h": 219.724,
    "s": 62.771,
    "l": 45.294
  },
  "oklch": {
    "l": 0.49662,
    "c": 0.16068,
    "h": 262
  },
  "luminance": 0.11799
}

Semantic roles & 50–950 ramp

primary

#2B5CBC

secondary

#CBAF78

accent

#AE42E6

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2B5CBC

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

Preview Lab → · Contrast checker → · Palette generator →