#2F5AB9#2F5AB9

#2F5AB9 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.2% C 0.158 H 263.4°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#2F5AB9
RGB	rgb(47, 90, 185)
HSL	hsl(221, 59%, 45%)
HSV	hsv(221, 75%, 73%)
CMYK	cmyk(74.6%, 51.4%, 0%, 27.5%)
CIE-LAB	lab(40.28, 18.84, -54.53)
CIE-LCH	lch(40.28, 57.69, 289.06°)
OKLab	oklab(49.17% -0.0181 -0.1568)
OKLCH	oklch(49.17% 0.158 263.4)
XYZ	xyz(13.5823, 11.4180, 47.3776)
Luminance	0.1142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5AB9 #B98E2F

analogous

#2F9FB9 #2F5AB9 #492FB9

triadic

#2F5AB9 #B92F5A #5AB92F

tetradic

#2F5AB9 #B92F9F #B98E2F #2FB949

square

#2F5AB9 #B92F9F #B98E2F #2FB949

split-complementary

#2F5AB9 #B9492F #9FB92F

monochromatic

#162B57 #234288 #2F5AB9 #527AD3 #83A0DF

Accessibility & contrast

On white

6.40

#2F5AB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#2F5AB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5AB9

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5AB9	#FFFFFF	#000000	##FFFFFF
##2F5AB9	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D66BC

Deuteranopia (green-blind)

#0059B7

Tritanopia (blue-blind)

#007181

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2f5ab9;
/* rgb */ color: rgb(47, 90, 185);
/* oklch */ color: oklch(49.2% 0.158 263.4);

Tailwind

colors: {
  custom: {
    50: '#7b88cf',
    500: '#2f5ab9',
    950: '#000000',
  },
}

SCSS

$custom: #2f5ab9;
$custom-light: #7b88cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5ab9",
  "rgb": {
    "r": 47,
    "g": 90,
    "b": 185
  },
  "hsl": {
    "h": 221.304,
    "s": 59.483,
    "l": 45.49
  },
  "oklch": {
    "l": 0.49167,
    "c": 0.15789,
    "h": 263.4
  },
  "luminance": 0.11419
}

Semantic roles & 50–950 ramp

primary

#2F5AB9

secondary

#C9B17B

accent

#B245E3

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2F5AB9

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

Preview Lab → · Contrast checker → · Palette generator →