#2F57A7#2F57A7

#2F57A7 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.2% C 0.137 H 262.4°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#2F57A7
RGB	rgb(47, 87, 167)
HSL	hsl(220, 56%, 42%)
HSV	hsv(220, 72%, 65%)
CMYK	cmyk(71.9%, 47.9%, 0%, 34.5%)
CIE-LAB	lab(38.22, 13.99, -47.23)
CIE-LCH	lch(38.22, 49.26, 286.50°)
OKLab	oklab(47.21% -0.018 -0.1354)
OKLCH	oklch(47.21% 0.137 262.4)
XYZ	xyz(11.5531, 10.2095, 37.9135)
Luminance	0.1021 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F57A7 #A77F2F

analogous

#2F93A7 #2F57A7 #432FA7

triadic

#2F57A7 #A72F57 #57A72F

tetradic

#2F57A7 #A72F93 #A77F2F #2FA743

square

#2F57A7 #A72F93 #A77F2F #2FA743

split-complementary

#2F57A7 #A7432F #93A72F

monochromatic

#142547 #223E77 #2F57A7 #4874CB #7898D9

Accessibility & contrast

On white

6.90

#2F57A7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#2F57A7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F57A7

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F57A7	#FFFFFF	#000000	##FFFFFF
##2F57A7	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)

#2C60AA

Deuteranopia (green-blind)

#0E55A5

Tritanopia (blue-blind)

#006A77

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2f57a7;
/* rgb */ color: rgb(47, 87, 167);
/* oklch */ color: oklch(47.2% 0.137 262.4);

Tailwind

colors: {
  custom: {
    50: '#7785c2',
    500: '#2f57a7',
    950: '#000000',
  },
}

SCSS

$custom: #2f57a7;
$custom-light: #7785c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f57a7",
  "rgb": {
    "r": 47,
    "g": 87,
    "b": 167
  },
  "hsl": {
    "h": 220,
    "s": 56.075,
    "l": 41.961
  },
  "oklch": {
    "l": 0.47206,
    "c": 0.13661,
    "h": 262.4
  },
  "luminance": 0.10211
}

Semantic roles & 50–950 ramp

primary

#2F57A7

secondary

#C1A671

accent

#AD48DF

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #2F57A7

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

Preview Lab → · Contrast checker → · Palette generator →