#2F53B4#2F53B4

#2F53B4 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.3% C 0.160 H 265.3°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#2F53B4
RGB	rgb(47, 83, 180)
HSL	hsl(224, 59%, 45%)
HSV	hsv(224, 74%, 71%)
CMYK	cmyk(73.9%, 53.9%, 0%, 29.4%)
CIE-LAB	lab(37.99, 21.54, -55.28)
CIE-LCH	lch(37.99, 59.33, 291.29°)
OKLab	oklab(47.32% -0.013 -0.1592)
OKLCH	oklch(47.32% 0.16 265.3)
XYZ	xyz(12.5009, 10.0848, 44.4589)
Luminance	0.1009 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F53B4 #B4902F

analogous

#2F96B4 #2F53B4 #4D2FB4

triadic

#2F53B4 #B42F53 #53B42F

tetradic

#2F53B4 #B42F96 #B4902F #2FB44D

square

#2F53B4 #B42F96 #B4902F #2FB44D

split-complementary

#2F53B4 #B44D2F #96B42F

monochromatic

#162653 #223D83 #2F53B4 #4F72D1 #8099DE

Accessibility & contrast

On white

6.96

#2F53B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#2F53B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F53B4

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F53B4	#FFFFFF	#000000	##FFFFFF
##2F53B4	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0660B7

Deuteranopia (green-blind)

#0054B2

Tritanopia (blue-blind)

#006B7B

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2f53b4;
/* rgb */ color: rgb(47, 83, 180);
/* oklch */ color: oklch(47.3% 0.160 265.3);

Tailwind

colors: {
  custom: {
    50: '#7a82cb',
    500: '#2f53b4',
    950: '#000000',
  },
}

SCSS

$custom: #2f53b4;
$custom-light: #7a82cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f53b4",
  "rgb": {
    "r": 47,
    "g": 83,
    "b": 180
  },
  "hsl": {
    "h": 223.759,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.47323,
    "c": 0.15972,
    "h": 265.3
  },
  "luminance": 0.10086
}

Semantic roles & 50–950 ramp

primary

#2F53B4

secondary

#C7B178

accent

#B846E2

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2F53B4

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

Preview Lab → · Contrast checker → · Palette generator →