#2A57C1#2A57C1

#2A57C1 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.0% C 0.174 H 263.8°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#2A57C1
RGB	rgb(42, 87, 193)
HSL	hsl(222, 64%, 46%)
HSV	hsv(222, 78%, 76%)
CMYK	cmyk(78.2%, 54.9%, 0%, 24.3%)
CIE-LAB	lab(39.84, 23.26, -59.91)
CIE-LCH	lch(39.84, 64.26, 291.22°)
OKLab	oklab(48.97% -0.0188 -0.1728)
OKLCH	oklch(48.97% 0.174 263.8)
XYZ	xyz(13.9852, 11.1573, 51.8582)
Luminance	0.1116 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A57C1 #C1942A

analogous

#2AA2C1 #2A57C1 #482AC1

triadic

#2A57C1 #C12A57 #57C12A

tetradic

#2A57C1 #C12AA2 #C1942A #2AC148

square

#2A57C1 #C12AA2 #C1942A #2AC148

split-complementary

#2A57C1 #C1482A #A2C12A

monochromatic

#142A5C #1F408F #2A57C1 #4F78D9 #829FE4

Accessibility & contrast

On white

6.50

#2A57C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#2A57C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A57C1

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A57C1	#FFFFFF	#000000	##FFFFFF
##2A57C1	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C5

Deuteranopia (green-blind)

#0057BF

Tritanopia (blue-blind)

#007183

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2a57c1;
/* rgb */ color: rgb(42, 87, 193);
/* oklch */ color: oklch(49.0% 0.174 263.8);

Tailwind

colors: {
  custom: {
    50: '#7b85d4',
    500: '#2a57c1',
    950: '#000000',
  },
}

SCSS

$custom: #2a57c1;
$custom-light: #7b85d4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a57c1",
  "rgb": {
    "r": 42,
    "g": 87,
    "b": 193
  },
  "hsl": {
    "h": 222.119,
    "s": 64.255,
    "l": 46.078
  },
  "oklch": {
    "l": 0.4897,
    "c": 0.17382,
    "h": 263.8
  },
  "luminance": 0.11159
}

Semantic roles & 50–950 ramp

primary

#2A57C1

secondary

#CDB47A

accent

#B641E7

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #2A57C1

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

Preview Lab → · Contrast checker → · Palette generator →