#2F5AB8#2F5AB8

#2F5AB8 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.1% C 0.157 H 263.3°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#2F5AB8
RGB	rgb(47, 90, 184)
HSL	hsl(221, 59%, 45%)
HSV	hsv(221, 74%, 72%)
CMYK	cmyk(74.5%, 51.1%, 0%, 27.8%)
CIE-LAB	lab(40.21, 18.46, -54.05)
CIE-LCH	lch(40.21, 57.12, 288.86°)
OKLab	oklab(49.09% -0.0183 -0.1554)
OKLCH	oklch(49.09% 0.157 263.3)
XYZ	xyz(13.4771, 11.3759, 46.8236)
Luminance	0.1138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5AB8 #B88D2F

analogous

#2F9EB8 #2F5AB8 #492FB8

triadic

#2F5AB8 #B82F5A #5AB82F

tetradic

#2F5AB8 #B82F9E #B88D2F #2FB849

square

#2F5AB8 #B82F9E #B88D2F #2FB849

split-complementary

#2F5AB8 #B8492F #9EB82F

monochromatic

#162A57 #234287 #2F5AB8 #527AD3 #829FDF

Accessibility & contrast

On white

6.41

#2F5AB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#2F5AB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5AB8

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5AB8	#FFFFFF	#000000	##FFFFFF
##2F5AB8	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F65BB

Deuteranopia (green-blind)

#0059B6

Tritanopia (blue-blind)

#007180

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2f5ab8;
/* rgb */ color: rgb(47, 90, 184);
/* oklch */ color: oklch(49.1% 0.157 263.3);

Tailwind

colors: {
  custom: {
    50: '#7a88ce',
    500: '#2f5ab8',
    950: '#000000',
  },
}

SCSS

$custom: #2f5ab8;
$custom-light: #7a88ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5ab8",
  "rgb": {
    "r": 47,
    "g": 90,
    "b": 184
  },
  "hsl": {
    "h": 221.168,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.49093,
    "c": 0.15652,
    "h": 263.3
  },
  "luminance": 0.11377
}

Semantic roles & 50–950 ramp

primary

#2F5AB8

secondary

#C8B07B

accent

#B145E2

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2F5AB8

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

Preview Lab → · Contrast checker → · Palette generator →