#2A57CA#2A57CA

#2A57CA is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.7% C 0.186 H 264.4°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#2A57CA
RGB	rgb(42, 87, 202)
HSL	hsl(223, 66%, 48%)
HSV	hsv(223, 79%, 79%)
CMYK	cmyk(79.2%, 56.9%, 0%, 20.8%)
CIE-LAB	lab(40.53, 26.67, -64.02)
CIE-LCH	lch(40.53, 69.35, 292.62°)
OKLab	oklab(49.7% -0.0182 -0.1849)
OKLCH	oklch(49.7% 0.186 264.4)
XYZ	xyz(15.0199, 11.5711, 57.3075)
Luminance	0.1157 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A57CA #CA9D2A

analogous

#2AA7CA #2A57CA #4D2ACA

triadic

#2A57CA #CA2A57 #57CA2A

tetradic

#2A57CA #CA2AA7 #CA9D2A #2ACA4D

square

#2A57CA #CA2AA7 #CA9D2A #2ACA4D

split-complementary

#2A57CA #CA4D2A #A7CA2A

monochromatic

#152B65 #1F4197 #2A57CA #557BDC #88A3E6

Accessibility & contrast

On white

6.34

#2A57CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#2A57CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A57CA

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A57CA	#FFFFFF	#000000	##FFFFFF
##2A57CA	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CE

Deuteranopia (green-blind)

#0058C8

Tritanopia (blue-blind)

#007488

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #2a57ca;
/* rgb */ color: rgb(42, 87, 202);
/* oklch */ color: oklch(49.7% 0.186 264.4);

Tailwind

colors: {
  custom: {
    50: '#7d85db',
    500: '#2a57ca',
    950: '#000000',
  },
}

SCSS

$custom: #2a57ca;
$custom-light: #7d85db;
$custom-dark: #000000;

JSON

{
  "hex": "#2a57ca",
  "rgb": {
    "r": 42,
    "g": 87,
    "b": 202
  },
  "hsl": {
    "h": 223.125,
    "s": 65.574,
    "l": 47.843
  },
  "oklch": {
    "l": 0.49699,
    "c": 0.18579,
    "h": 264.4
  },
  "luminance": 0.11573
}

Semantic roles & 50–950 ramp

primary

#2A57CA

secondary

#D0B980

accent

#B93FE9

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #2A57CA

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

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