#2A57AA#2A57AA

#2A57AA is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.2% C 0.142 H 261.4°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#2A57AA
RGB	rgb(42, 87, 170)
HSL	hsl(219, 60%, 42%)
HSV	hsv(219, 75%, 67%)
CMYK	cmyk(75.3%, 48.8%, 0%, 33.3%)
CIE-LAB	lab(38.22, 14.44, -49.02)
CIE-LCH	lch(38.22, 51.10, 286.41°)
OKLab	oklab(47.21% -0.0214 -0.1408)
OKLCH	oklch(47.21% 0.142 261.4)
XYZ	xyz(11.6161, 10.2096, 39.3809)
Luminance	0.1021 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A57AA #AA7D2A

analogous

#2A97AA #2A57AA #3D2AAA

triadic

#2A57AA #AA2A57 #57AA2A

tetradic

#2A57AA #AA2A97 #AA7D2A #2AAA3D

square

#2A57AA #AA2A97 #AA7D2A #2AAA3D

split-complementary

#2A57AA #AA3D2A #97AA2A

monochromatic

#122548 #1E3E79 #2A57AA #4173D0 #7297DC

Accessibility & contrast

On white

6.90

#2A57AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#2A57AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A57AA

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A57AA	#FFFFFF	#000000	##FFFFFF
##2A57AA	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2860AD

Deuteranopia (green-blind)

#0054A8

Tritanopia (blue-blind)

#006B78

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2a57aa;
/* rgb */ color: rgb(42, 87, 170);
/* oklch */ color: oklch(47.2% 0.142 261.4);

Tailwind

colors: {
  custom: {
    50: '#7685c4',
    500: '#2a57aa',
    950: '#000000',
  },
}

SCSS

$custom: #2a57aa;
$custom-light: #7685c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a57aa",
  "rgb": {
    "r": 42,
    "g": 87,
    "b": 170
  },
  "hsl": {
    "h": 218.906,
    "s": 60.377,
    "l": 41.569
  },
  "oklch": {
    "l": 0.47214,
    "c": 0.1424,
    "h": 261.4
  },
  "luminance": 0.10211
}

Semantic roles & 50–950 ramp

primary

#2A57AA

secondary

#C3A56C

accent

#AC44E4

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2A57AA

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

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