#2F53A1#2F53A1

#2F53A1 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 45.9% C 0.133 H 263.4°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#2F53A1
RGB	rgb(47, 83, 161)
HSL	hsl(221, 55%, 41%)
HSV	hsv(221, 71%, 63%)
CMYK	cmyk(70.8%, 48.4%, 0%, 36.9%)
CIE-LAB	lab(36.67, 14.36, -46.13)
CIE-LCH	lch(36.67, 48.31, 287.29°)
OKLab	oklab(45.9% -0.0152 -0.1322)
OKLCH	oklch(45.9% 0.133 263.4)
XYZ	xyz(10.6963, 9.3630, 34.9548)
Luminance	0.0936 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F53A1 #A17D2F

analogous

#2F8CA1 #2F53A1 #442FA1

triadic

#2F53A1 #A12F53 #53A12F

tetradic

#2F53A1 #A12F8C #A17D2F #2FA144

square

#2F53A1 #A12F8C #A17D2F #2FA144

split-complementary

#2F53A1 #A1442F #8CA12F

monochromatic

#132242 #213B72 #2F53A1 #456EC9 #7493D6

Accessibility & contrast

On white

7.31

#2F53A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#2F53A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F53A1

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F53A1	#FFFFFF	#000000	##FFFFFF
##2F53A1	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#295CA4

Deuteranopia (green-blind)

#0C519F

Tritanopia (blue-blind)

#006572

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2f53a1;
/* rgb */ color: rgb(47, 83, 161);
/* oklch */ color: oklch(45.9% 0.133 263.4);

Tailwind

colors: {
  custom: {
    50: '#7682bd',
    500: '#2f53a1',
    950: '#000000',
  },
}

SCSS

$custom: #2f53a1;
$custom-light: #7682bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f53a1",
  "rgb": {
    "r": 47,
    "g": 83,
    "b": 161
  },
  "hsl": {
    "h": 221.053,
    "s": 54.808,
    "l": 40.784
  },
  "oklch": {
    "l": 0.45898,
    "c": 0.13312,
    "h": 263.4
  },
  "luminance": 0.09364
}

Semantic roles & 50–950 ramp

primary

#2F53A1

secondary

#BEA56E

accent

#AF4ADE

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2F53A1

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

Preview Lab → · Contrast checker → · Palette generator →