#2B5CAB#2B5CAB

#2B5CAB is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.4% C 0.137 H 259.6°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#2B5CAB
RGB	rgb(43, 92, 171)
HSL	hsl(217, 60%, 42%)
HSV	hsv(217, 75%, 67%)
CMYK	cmyk(74.9%, 46.2%, 0%, 32.9%)
CIE-LAB	lab(39.76, 11.68, -47.13)
CIE-LCH	lch(39.76, 48.55, 283.92°)
OKLab	oklab(48.43% -0.0248 -0.1351)
OKLCH	oklch(48.43% 0.137 259.6)
XYZ	xyz(12.1714, 11.1068, 40.0225)
Luminance	0.1111 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5CAB #AB7A2B

analogous

#2B9CAB #2B5CAB #3A2BAB

triadic

#2B5CAB #AB2B5C #5CAB2B

tetradic

#2B5CAB #AB2B9C #AB7A2B #2BAB3A

square

#2B5CAB #AB2B9C #AB7A2B #2BAB3A

split-complementary

#2B5CAB #AB3A2B #9CAB2B

monochromatic

#122749 #1F427A #2B5CAB #4379D0 #749CDC

Accessibility & contrast

On white

6.52

#2B5CAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#2B5CAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5CAB

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5CAB	#FFFFFF	#000000	##FFFFFF
##2B5CAB	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3364AE

Deuteranopia (green-blind)

#1658A9

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2b5cab;
/* rgb */ color: rgb(43, 92, 171);
/* oklch */ color: oklch(48.4% 0.137 259.6);

Tailwind

colors: {
  custom: {
    50: '#7689c4',
    500: '#2b5cab',
    950: '#000000',
  },
}

SCSS

$custom: #2b5cab;
$custom-light: #7689c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5cab",
  "rgb": {
    "r": 43,
    "g": 92,
    "b": 171
  },
  "hsl": {
    "h": 217.031,
    "s": 59.813,
    "l": 41.961
  },
  "oklch": {
    "l": 0.48432,
    "c": 0.13737,
    "h": 259.6
  },
  "luminance": 0.11108
}

Semantic roles & 50–950 ramp

primary

#2B5CAB

secondary

#C4A36E

accent

#A645E3

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B5CAB

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

Preview Lab → · Contrast checker → · Palette generator →