#2B57AE#2B57AE

#2B57AE is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.5% C 0.148 H 262.2°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#2B57AE
RGB	rgb(43, 87, 174)
HSL	hsl(220, 60%, 43%)
HSV	hsv(220, 75%, 68%)
CMYK	cmyk(75.3%, 50%, 0%, 31.8%)
CIE-LAB	lab(38.52, 16.11, -50.89)
CIE-LCH	lch(38.52, 53.38, 287.56°)
OKLab	oklab(47.55% -0.0201 -0.1463)
OKLCH	oklch(47.55% 0.148 262.2)
XYZ	xyz(12.0417, 10.3846, 41.4060)
Luminance	0.1039 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B57AE #AE822B

analogous

#2B99AE #2B57AE #402BAE

triadic

#2B57AE #AE2B57 #57AE2B

tetradic

#2B57AE #AE2B99 #AE822B #2BAE40

square

#2B57AE #AE2B99 #AE822B #2BAE40

split-complementary

#2B57AE #AE402B #99AE2B

monochromatic

#13264C #1F3E7D #2B57AE #4574D1 #7699DD

Accessibility & contrast

On white

6.82

#2B57AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#2B57AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B57AE

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B57AE	#FFFFFF	#000000	##FFFFFF
##2B57AE	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2461B1

Deuteranopia (green-blind)

#0055AC

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2b57ae;
/* rgb */ color: rgb(43, 87, 174);
/* oklch */ color: oklch(47.5% 0.148 262.2);

Tailwind

colors: {
  custom: {
    50: '#7785c7',
    500: '#2b57ae',
    950: '#000000',
  },
}

SCSS

$custom: #2b57ae;
$custom-light: #7785c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b57ae",
  "rgb": {
    "r": 43,
    "g": 87,
    "b": 174
  },
  "hsl": {
    "h": 219.847,
    "s": 60.369,
    "l": 42.549
  },
  "oklch": {
    "l": 0.47547,
    "c": 0.14764,
    "h": 262.2
  },
  "luminance": 0.10386
}

Semantic roles & 50–950 ramp

primary

#2B57AE

secondary

#C5A870

accent

#AE44E4

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B57AE

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

Preview Lab → · Contrast checker → · Palette generator →