#2F5FB1#2F5FB1

#2F5FB1 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.7% C 0.141 H 260.4°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#2F5FB1
RGB	rgb(47, 95, 177)
HSL	hsl(218, 58%, 44%)
HSV	hsv(218, 73%, 69%)
CMYK	cmyk(73.4%, 46.3%, 0%, 30.6%)
CIE-LAB	lab(41.16, 12.55, -48.42)
CIE-LCH	lch(41.16, 50.02, 284.54°)
OKLab	oklab(49.67% -0.0235 -0.1388)
OKLCH	oklch(49.67% 0.141 260.4)
XYZ	xyz(13.1974, 11.9616, 43.1997)
Luminance	0.1196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5FB1 #B1812F

analogous

#2FA0B1 #2F5FB1 #402FB1

triadic

#2F5FB1 #B12F5F #5FB12F

tetradic

#2F5FB1 #B12FA0 #B1812F #2FB140

square

#2F5FB1 #B12FA0 #B1812F #2FB140

split-complementary

#2F5FB1 #B1402F #A0B12F

monochromatic

#152B50 #224581 #2F5FB1 #4D7ED0 #7EA1DD

Accessibility & contrast

On white

6.19

#2F5FB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#2F5FB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5FB1

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5FB1	#FFFFFF	#000000	##FFFFFF
##2F5FB1	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3467B4

Deuteranopia (green-blind)

#175BAF

Tritanopia (blue-blind)

#00727F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #2f5fb1;
/* rgb */ color: rgb(47, 95, 177);
/* oklch */ color: oklch(49.7% 0.141 260.4);

Tailwind

colors: {
  custom: {
    50: '#798bc9',
    500: '#2f5fb1',
    950: '#000000',
  },
}

SCSS

$custom: #2f5fb1;
$custom-light: #798bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5fb1",
  "rgb": {
    "r": 47,
    "g": 95,
    "b": 177
  },
  "hsl": {
    "h": 217.846,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.49671,
    "c": 0.14076,
    "h": 260.4
  },
  "luminance": 0.11963
}

Semantic roles & 50–950 ramp

primary

#2F5FB1

secondary

#C5A876

accent

#A847E1

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2F5FB1

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

Preview Lab → · Contrast checker → · Palette generator →