#2F5BB5#2F5BB5

#2F5BB5 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.1% C 0.151 H 262.6°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#2F5BB5
RGB	rgb(47, 91, 181)
HSL	hsl(220, 59%, 45%)
HSV	hsv(220, 74%, 71%)
CMYK	cmyk(74%, 49.7%, 0%, 29%)
CIE-LAB	lab(40.28, 16.67, -52.17)
CIE-LCH	lch(40.28, 54.77, 287.72°)
OKLab	oklab(49.08% -0.0195 -0.1499)
OKLCH	oklch(49.08% 0.151 262.6)
XYZ	xyz(13.2509, 11.4213, 45.2133)
Luminance	0.1142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5BB5 #B5892F

analogous

#2F9EB5 #2F5BB5 #462FB5

triadic

#2F5BB5 #B52F5B #5BB52F

tetradic

#2F5BB5 #B52F9E #B5892F #2FB546

square

#2F5BB5 #B52F9E #B5892F #2FB546

split-complementary

#2F5BB5 #B5462F #9EB52F

monochromatic

#162A54 #224384 #2F5BB5 #507AD1 #809FDE

Accessibility & contrast

On white

6.39

#2F5BB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#2F5BB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5BB5

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5BB5	#FFFFFF	#000000	##FFFFFF
##2F5BB5	1.00	6.39	3.28	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2665B8

Deuteranopia (green-blind)

#0059B3

Tritanopia (blue-blind)

#00707F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2f5bb5;
/* rgb */ color: rgb(47, 91, 181);
/* oklch */ color: oklch(49.1% 0.151 262.6);

Tailwind

colors: {
  custom: {
    50: '#7a88cc',
    500: '#2f5bb5',
    950: '#000000',
  },
}

SCSS

$custom: #2f5bb5;
$custom-light: #7a88cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5bb5",
  "rgb": {
    "r": 47,
    "g": 91,
    "b": 181
  },
  "hsl": {
    "h": 220.299,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.49084,
    "c": 0.15116,
    "h": 262.6
  },
  "luminance": 0.11423
}

Semantic roles & 50–950 ramp

primary

#2F5BB5

secondary

#C7AD79

accent

#AF46E2

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2F5BB5

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

Preview Lab → · Contrast checker → · Palette generator →