#2B5BB8#2B5BB8

#2B5BB8 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.1% C 0.156 H 261.9°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#2B5BB8
RGB	rgb(43, 91, 184)
HSL	hsl(220, 62%, 45%)
HSV	hsv(220, 77%, 72%)
CMYK	cmyk(76.6%, 50.5%, 0%, 27.8%)
CIE-LAB	lab(40.34, 17.31, -53.85)
CIE-LCH	lch(40.34, 56.57, 287.82°)
OKLab	oklab(49.15% -0.022 -0.1549)
OKLCH	oklch(49.15% 0.156 261.9)
XYZ	xyz(13.3860, 11.4549, 46.8436)
Luminance	0.1146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5BB8 #B8882B

analogous

#2BA2B8 #2B5BB8 #412BB8

triadic

#2B5BB8 #B82B5B #5BB82B

tetradic

#2B5BB8 #B82BA2 #B8882B #2BB841

square

#2B5BB8 #B82BA2 #B8882B #2BB841

split-complementary

#2B5BB8 #B8412B #A2B82B

monochromatic

#142A55 #1F4286 #2B5BB8 #4B7AD5 #7D9FE1

Accessibility & contrast

On white

6.38

#2B5BB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#2B5BB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5BB8

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5BB8	#FFFFFF	#000000	##FFFFFF
##2B5BB8	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)

#2166BB

Deuteranopia (green-blind)

#0059B6

Tritanopia (blue-blind)

#007181

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2b5bb8;
/* rgb */ color: rgb(43, 91, 184);
/* oklch */ color: oklch(49.1% 0.156 261.9);

Tailwind

colors: {
  custom: {
    50: '#7988ce',
    500: '#2b5bb8',
    950: '#000000',
  },
}

SCSS

$custom: #2b5bb8;
$custom-light: #7988ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5bb8",
  "rgb": {
    "r": 43,
    "g": 91,
    "b": 184
  },
  "hsl": {
    "h": 219.574,
    "s": 62.115,
    "l": 44.51
  },
  "oklch": {
    "l": 0.4915,
    "c": 0.15646,
    "h": 261.9
  },
  "luminance": 0.11456
}

Semantic roles & 50–950 ramp

primary

#2B5BB8

secondary

#C9AD76

accent

#AE43E5

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #2B5BB8

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

Preview Lab → · Contrast checker → · Palette generator →