#2B5BA4#2B5BA4

#2B5BA4 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 47.7% C 0.129 H 258.7°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#2B5BA4
RGB	rgb(43, 91, 164)
HSL	hsl(216, 58%, 41%)
HSV	hsv(216, 74%, 64%)
CMYK	cmyk(73.8%, 44.5%, 0%, 35.7%)
CIE-LAB	lab(39.03, 9.65, -44.15)
CIE-LCH	lch(39.03, 45.19, 282.33°)
OKLab	oklab(47.73% -0.0253 -0.1264)
OKLCH	oklch(47.73% 0.129 258.7)
XYZ	xyz(11.4358, 10.6748, 36.5725)
Luminance	0.1068 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5BA4 #A4742B

analogous

#2B97A4 #2B5BA4 #372BA4

triadic

#2B5BA4 #A42B5B #5BA42B

tetradic

#2B5BA4 #A42B97 #A4742B #2BA437

square

#2B5BA4 #A42B97 #A4742B #2BA437

split-complementary

#2B5BA4 #A4372B #97A42B

monochromatic

#122543 #1E4074 #2B5BA4 #3F77CD #709AD9

Accessibility & contrast

On white

6.70

#2B5BA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#2B5BA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5BA4

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5BA4	#FFFFFF	#000000	##FFFFFF
##2B5BA4	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3762A7

Deuteranopia (green-blind)

#2057A3

Tritanopia (blue-blind)

#006C77

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2b5ba4;
/* rgb */ color: rgb(43, 91, 164);
/* oklch */ color: oklch(47.7% 0.129 258.7);

Tailwind

colors: {
  custom: {
    50: '#7588bf',
    500: '#2b5ba4',
    950: '#000000',
  },
}

SCSS

$custom: #2b5ba4;
$custom-light: #7588bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5ba4",
  "rgb": {
    "r": 43,
    "g": 91,
    "b": 164
  },
  "hsl": {
    "h": 216.198,
    "s": 58.454,
    "l": 40.588
  },
  "oklch": {
    "l": 0.47725,
    "c": 0.12886,
    "h": 258.7
  },
  "luminance": 0.10676
}

Semantic roles & 50–950 ramp

primary

#2B5BA4

secondary

#C19E6A

accent

#A446E2

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2B5BA4

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

Preview Lab → · Contrast checker → · Palette generator →