#2B57C2#2B57C2

#2B57C2 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.1% C 0.175 H 264.1°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#2B57C2
RGB	rgb(43, 87, 194)
HSL	hsl(223, 64%, 46%)
HSV	hsv(223, 78%, 76%)
CMYK	cmyk(77.8%, 55.2%, 0%, 23.9%)
CIE-LAB	lab(39.95, 23.74, -60.31)
CIE-LCH	lch(39.95, 64.81, 291.49°)
OKLab	oklab(49.09% -0.018 -0.174)
OKLCH	oklch(49.09% 0.175 264.1)
XYZ	xyz(14.1386, 11.2234, 52.4497)
Luminance	0.1123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B57C2 #C2962B

analogous

#2BA3C2 #2B57C2 #4B2BC2

triadic

#2B57C2 #C22B57 #57C22B

tetradic

#2B57C2 #C22BA3 #C2962B #2BC24B

square

#2B57C2 #C22BA3 #C2962B #2BC24B

split-complementary

#2B57C2 #C24B2B #A3C22B

monochromatic

#152A5E #204190 #2B57C2 #5279D9 #84A0E4

Accessibility & contrast

On white

6.47

#2B57C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#2B57C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B57C2

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B57C2	#FFFFFF	#000000	##FFFFFF
##2B57C2	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C6

Deuteranopia (green-blind)

#0057C0

Tritanopia (blue-blind)

#007184

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2b57c2;
/* rgb */ color: rgb(43, 87, 194);
/* oklch */ color: oklch(49.1% 0.175 264.1);

Tailwind

colors: {
  custom: {
    50: '#7b85d5',
    500: '#2b57c2',
    950: '#000000',
  },
}

SCSS

$custom: #2b57c2;
$custom-light: #7b85d5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b57c2",
  "rgb": {
    "r": 43,
    "g": 87,
    "b": 194
  },
  "hsl": {
    "h": 222.517,
    "s": 63.713,
    "l": 46.471
  },
  "oklch": {
    "l": 0.49087,
    "c": 0.1749,
    "h": 264.1
  },
  "luminance": 0.11225
}

Semantic roles & 50–950 ramp

primary

#2B57C2

secondary

#CDB57C

accent

#B641E7

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #2B57C2

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

Preview Lab → · Contrast checker → · Palette generator →