#2B57AF#2B57AF

#2B57AF is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.6% C 0.149 H 262.3°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#2B57AF
RGB	rgb(43, 87, 175)
HSL	hsl(220, 61%, 43%)
HSV	hsv(220, 75%, 69%)
CMYK	cmyk(75.4%, 50.3%, 0%, 31.4%)
CIE-LAB	lab(38.59, 16.49, -51.37)
CIE-LCH	lch(38.59, 53.95, 287.79°)
OKLab	oklab(47.62% -0.02 -0.1477)
OKLCH	oklch(47.62% 0.149 262.3)
XYZ	xyz(12.1395, 10.4238, 41.9213)
Luminance	0.1042 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B57AF #AF832B

analogous

#2B99AF #2B57AF #412BAF

triadic

#2B57AF #AF2B57 #57AF2B

tetradic

#2B57AF #AF2B99 #AF832B #2BAF41

square

#2B57AF #AF2B99 #AF832B #2BAF41

split-complementary

#2B57AF #AF412B #99AF2B

monochromatic

#13264D #1F3F7E #2B57AF #4674D1 #7799DE

Accessibility & contrast

On white

6.81

#2B57AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#2B57AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B57AF

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B57AF	#FFFFFF	#000000	##FFFFFF
##2B57AF	1.00	6.81	3.09	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2261B2

Deuteranopia (green-blind)

#0055AD

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2b57af;
/* rgb */ color: rgb(43, 87, 175);
/* oklch */ color: oklch(47.6% 0.149 262.3);

Tailwind

colors: {
  custom: {
    50: '#7785c7',
    500: '#2b57af',
    950: '#000000',
  },
}

SCSS

$custom: #2b57af;
$custom-light: #7785c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b57af",
  "rgb": {
    "r": 43,
    "g": 87,
    "b": 175
  },
  "hsl": {
    "h": 220,
    "s": 60.55,
    "l": 42.745
  },
  "oklch": {
    "l": 0.47621,
    "c": 0.14902,
    "h": 262.3
  },
  "luminance": 0.10425
}

Semantic roles & 50–950 ramp

primary

#2B57AF

secondary

#C5A970

accent

#AE44E4

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B57AF

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

Preview Lab → · Contrast checker → · Palette generator →