#2A57AE#2A57AE

#2A57AE is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.5% C 0.148 H 261.9°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#2A57AE
RGB	rgb(42, 87, 174)
HSL	hsl(220, 61%, 42%)
HSV	hsv(220, 76%, 68%)
CMYK	cmyk(75.9%, 50%, 0%, 31.8%)
CIE-LAB	lab(38.49, 15.98, -50.95)
CIE-LCH	lch(38.49, 53.40, 287.41°)
OKLab	oklab(47.51% -0.0208 -0.1465)
OKLCH	oklch(47.51% 0.148 261.9)
XYZ	xyz(12.0003, 10.3633, 41.4041)
Luminance	0.1037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A57AE #AE812A

analogous

#2A99AE #2A57AE #3F2AAE

triadic

#2A57AE #AE2A57 #57AE2A

tetradic

#2A57AE #AE2A99 #AE812A #2AAE3F

square

#2A57AE #AE2A99 #AE812A #2AAE3F

split-complementary

#2A57AE #AE3F2A #99AE2A

monochromatic

#12264B #1E3E7D #2A57AE #4374D2 #7599DE

Accessibility & contrast

On white

6.83

#2A57AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#2A57AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A57AE

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A57AE	#FFFFFF	#000000	##FFFFFF
##2A57AE	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2361B1

Deuteranopia (green-blind)

#0055AC

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2a57ae;
/* rgb */ color: rgb(42, 87, 174);
/* oklch */ color: oklch(47.5% 0.148 261.9);

Tailwind

colors: {
  custom: {
    50: '#7685c7',
    500: '#2a57ae',
    950: '#000000',
  },
}

SCSS

$custom: #2a57ae;
$custom-light: #7685c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2a57ae",
  "rgb": {
    "r": 42,
    "g": 87,
    "b": 174
  },
  "hsl": {
    "h": 219.545,
    "s": 61.111,
    "l": 42.353
  },
  "oklch": {
    "l": 0.47508,
    "c": 0.14793,
    "h": 261.9
  },
  "luminance": 0.10365
}

Semantic roles & 50–950 ramp

primary

#2A57AE

secondary

#C5A86F

accent

#AD44E4

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2A57AE

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

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