#2B5CB4#2B5CB4

#2B5CB4 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.1% C 0.150 H 261.0°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#2B5CB4
RGB	rgb(43, 92, 180)
HSL	hsl(219, 61%, 44%)
HSV	hsv(219, 76%, 71%)
CMYK	cmyk(76.1%, 48.9%, 0%, 29.4%)
CIE-LAB	lab(40.35, 15.13, -51.49)
CIE-LCH	lch(40.35, 53.66, 286.37°)
OKLab	oklab(49.07% -0.0234 -0.1479)
OKLCH	oklch(49.07% 0.15 261)
XYZ	xyz(13.0587, 11.4617, 44.6953)
Luminance	0.1146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5CB4 #B4832B

analogous

#2BA0B4 #2B5CB4 #3E2BB4

triadic

#2B5CB4 #B42B5C #5CB42B

tetradic

#2B5CB4 #B42BA0 #B4832B #2BB43E

square

#2B5CB4 #B42BA0 #B4832B #2BB43E

split-complementary

#2B5CB4 #B43E2B #A0B42B

monochromatic

#132A51 #1F4383 #2B5CB4 #497AD3 #7A9EDF

Accessibility & contrast

On white

6.38

#2B5CB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#2B5CB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5CB4

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5CB4	#FFFFFF	#000000	##FFFFFF
##2B5CB4	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)

#2A66B7

Deuteranopia (green-blind)

#0059B2

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2b5cb4;
/* rgb */ color: rgb(43, 92, 180);
/* oklch */ color: oklch(49.1% 0.150 261.0);

Tailwind

colors: {
  custom: {
    50: '#7889cb',
    500: '#2b5cb4',
    950: '#000000',
  },
}

SCSS

$custom: #2b5cb4;
$custom-light: #7889cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5cb4",
  "rgb": {
    "r": 43,
    "g": 92,
    "b": 180
  },
  "hsl": {
    "h": 218.54,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.49072,
    "c": 0.14977,
    "h": 261
  },
  "luminance": 0.11463
}

Semantic roles & 50–950 ramp

primary

#2B5CB4

secondary

#C7A973

accent

#AB43E5

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B5CB4

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

Preview Lab → · Contrast checker → · Palette generator →