#2A57C3#2A57C3

#2A57C3 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.1% C 0.176 H 263.9°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#2A57C3
RGB	rgb(42, 87, 195)
HSL	hsl(222, 65%, 46%)
HSV	hsv(222, 78%, 76%)
CMYK	cmyk(78.5%, 55.4%, 0%, 23.5%)
CIE-LAB	lab(39.99, 24.02, -60.83)
CIE-LCH	lch(39.99, 65.40, 291.55°)
OKLab	oklab(49.13% -0.0187 -0.1755)
OKLCH	oklch(49.13% 0.177 263.9)
XYZ	xyz(14.2099, 11.2471, 53.0412)
Luminance	0.1125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A57C3 #C3962A

analogous

#2AA4C3 #2A57C3 #4A2AC3

triadic

#2A57C3 #C32A57 #57C32A

tetradic

#2A57C3 #C32AA4 #C3962A #2AC34A

square

#2A57C3 #C32AA4 #C3962A #2AC34A

split-complementary

#2A57C3 #C34A2A #A4C32A

monochromatic

#142A5E #1F4191 #2A57C3 #5179D9 #83A0E4

Accessibility & contrast

On white

6.46

#2A57C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#2A57C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A57C3

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A57C3	#FFFFFF	#000000	##FFFFFF
##2A57C3	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066C7

Deuteranopia (green-blind)

#0058C1

Tritanopia (blue-blind)

#007284

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2a57c3;
/* rgb */ color: rgb(42, 87, 195);
/* oklch */ color: oklch(49.1% 0.176 263.9);

Tailwind

colors: {
  custom: {
    50: '#7b85d6',
    500: '#2a57c3',
    950: '#000000',
  },
}

SCSS

$custom: #2a57c3;
$custom-light: #7b85d6;
$custom-dark: #000000;

JSON

{
  "hex": "#2a57c3",
  "rgb": {
    "r": 42,
    "g": 87,
    "b": 195
  },
  "hsl": {
    "h": 222.353,
    "s": 64.557,
    "l": 46.471
  },
  "oklch": {
    "l": 0.4913,
    "c": 0.1765,
    "h": 263.9
  },
  "luminance": 0.11249
}

Semantic roles & 50–950 ramp

primary

#2A57C3

secondary

#CDB57B

accent

#B640E8

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #2A57C3

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

Preview Lab → · Contrast checker → · Palette generator →