#2B5AAB#2B5AAB

#2B5AAB is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.0% C 0.140 H 260.5°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#2B5AAB
RGB	rgb(43, 90, 171)
HSL	hsl(218, 60%, 42%)
HSV	hsv(218, 75%, 67%)
CMYK	cmyk(74.9%, 47.4%, 0%, 32.9%)
CIE-LAB	lab(39.18, 12.98, -48.06)
CIE-LCH	lch(39.18, 49.78, 285.12°)
OKLab	oklab(47.99% -0.0231 -0.1379)
OKLCH	oklch(47.99% 0.14 260.5)
XYZ	xyz(12.0005, 10.7649, 39.9656)
Luminance	0.1077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5AAB #AB7C2B

analogous

#2B9AAB #2B5AAB #3C2BAB

triadic

#2B5AAB #AB2B5A #5AAB2B

tetradic

#2B5AAB #AB2B9A #AB7C2B #2BAB3C

square

#2B5AAB #AB2B9A #AB7C2B #2BAB3C

split-complementary

#2B5AAB #AB3C2B #9AAB2B

monochromatic

#122749 #1F407A #2B5AAB #4377D0 #749ADC

Accessibility & contrast

On white

6.66

#2B5AAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#2B5AAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5AAB

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5AAB	#FFFFFF	#000000	##FFFFFF
##2B5AAB	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E63AE

Deuteranopia (green-blind)

#0D57A9

Tritanopia (blue-blind)

#006D7A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2b5aab;
/* rgb */ color: rgb(43, 90, 171);
/* oklch */ color: oklch(48.0% 0.140 260.5);

Tailwind

colors: {
  custom: {
    50: '#7688c4',
    500: '#2b5aab',
    950: '#000000',
  },
}

SCSS

$custom: #2b5aab;
$custom-light: #7688c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5aab",
  "rgb": {
    "r": 43,
    "g": 90,
    "b": 171
  },
  "hsl": {
    "h": 217.969,
    "s": 59.813,
    "l": 41.961
  },
  "oklch": {
    "l": 0.47987,
    "c": 0.13979,
    "h": 260.5
  },
  "luminance": 0.10766
}

Semantic roles & 50–950 ramp

primary

#2B5AAB

secondary

#C4A46E

accent

#A945E3

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B5AAB

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

Preview Lab → · Contrast checker → · Palette generator →