#2F55D3#2F55D3

#2F55D3 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.3% C 0.199 H 266.3°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#2F55D3
RGB	rgb(47, 85, 211)
HSL	hsl(226, 65%, 51%)
HSV	hsv(226, 78%, 83%)
CMYK	cmyk(77.7%, 59.7%, 0%, 17.3%)
CIE-LAB	lab(40.90, 31.82, -68.59)
CIE-LCH	lch(40.90, 75.61, 294.88°)
OKLab	oklab(50.25% -0.0129 -0.1982)
OKLCH	oklch(50.25% 0.199 266.3)
XYZ	xyz(16.1745, 11.8026, 63.0411)
Luminance	0.1180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F55D3 #D3AD2F

analogous

#2FA7D3 #2F55D3 #5B2FD3

triadic

#2F55D3 #D32F55 #55D32F

tetradic

#2F55D3 #D32FA7 #D3AD2F #2FD35B

square

#2F55D3 #D32FA7 #D3AD2F #2FD35B

split-complementary

#2F55D3 #D35B2F #A7D32F

monochromatic

#182C70 #2240A2 #2F55D3 #627EDE #94A8E8

Accessibility & contrast

On white

6.25

#2F55D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#2F55D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F55D3

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F55D3	#FFFFFF	#000000	##FFFFFF
##2F55D3	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D7

Deuteranopia (green-blind)

#0059D1

Tritanopia (blue-blind)

#00758C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #2f55d3;
/* rgb */ color: rgb(47, 85, 211);
/* oklch */ color: oklch(50.3% 0.199 266.3);

Tailwind

colors: {
  custom: {
    50: '#8184e1',
    500: '#2f55d3',
    950: '#000000',
  },
}

SCSS

$custom: #2f55d3;
$custom-light: #8184e1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f55d3",
  "rgb": {
    "r": 47,
    "g": 85,
    "b": 211
  },
  "hsl": {
    "h": 226.098,
    "s": 65.079,
    "l": 50.588
  },
  "oklch": {
    "l": 0.50251,
    "c": 0.19867,
    "h": 266.3
  },
  "luminance": 0.11804
}

Semantic roles & 50–950 ramp

primary

#2F55D3

secondary

#D3C28A

accent

#C140E8

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #2F55D3

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

Preview Lab → · Contrast checker → · Palette generator →