#2F53B8#2F53B8

#2F53B8 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.6% C 0.165 H 265.6°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#2F53B8
RGB	rgb(47, 83, 184)
HSL	hsl(224, 59%, 45%)
HSV	hsv(224, 74%, 72%)
CMYK	cmyk(74.5%, 54.9%, 0%, 27.8%)
CIE-LAB	lab(38.29, 23.05, -57.16)
CIE-LCH	lch(38.29, 61.63, 291.96°)
OKLab	oklab(47.64% -0.0127 -0.1647)
OKLCH	oklch(47.64% 0.165 265.6)
XYZ	xyz(12.9142, 10.2501, 46.6360)
Luminance	0.1025 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F53B8 #B8942F

analogous

#2F97B8 #2F53B8 #502FB8

triadic

#2F53B8 #B82F53 #53B82F

tetradic

#2F53B8 #B82F97 #B8942F #2FB850

square

#2F53B8 #B82F97 #B8942F #2FB850

split-complementary

#2F53B8 #B8502F #97B82F

monochromatic

#162757 #233D87 #2F53B8 #5273D3 #829BDF

Accessibility & contrast

On white

6.88

#2F53B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#2F53B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F53B8

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F53B8	#FFFFFF	#000000	##FFFFFF
##2F53B8	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BC

Deuteranopia (green-blind)

#0054B6

Tritanopia (blue-blind)

#006C7D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2f53b8;
/* rgb */ color: rgb(47, 83, 184);
/* oklch */ color: oklch(47.6% 0.165 265.6);

Tailwind

colors: {
  custom: {
    50: '#7b82ce',
    500: '#2f53b8',
    950: '#000000',
  },
}

SCSS

$custom: #2f53b8;
$custom-light: #7b82ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2f53b8",
  "rgb": {
    "r": 47,
    "g": 83,
    "b": 184
  },
  "hsl": {
    "h": 224.234,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.47638,
    "c": 0.1652,
    "h": 265.6
  },
  "luminance": 0.10252
}

Semantic roles & 50–950 ramp

primary

#2F53B8

secondary

#C8B47B

accent

#B945E2

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2F53B8

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

Preview Lab → · Contrast checker → · Palette generator →