#2F5BB9#2F5BB9

#2F5BB9 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.4% C 0.157 H 263.0°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#2F5BB9
RGB	rgb(47, 91, 185)
HSL	hsl(221, 59%, 45%)
HSV	hsv(221, 75%, 73%)
CMYK	cmyk(74.6%, 50.8%, 0%, 27.5%)
CIE-LAB	lab(40.55, 18.18, -54.08)
CIE-LCH	lch(40.55, 57.05, 288.59°)
OKLab	oklab(49.38% -0.019 -0.1555)
OKLCH	oklch(49.38% 0.157 263)
XYZ	xyz(13.6672, 11.5878, 47.4059)
Luminance	0.1159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5BB9 #B98D2F

analogous

#2FA0B9 #2F5BB9 #482FB9

triadic

#2F5BB9 #B92F5B #5BB92F

tetradic

#2F5BB9 #B92FA0 #B98D2F #2FB948

square

#2F5BB9 #B92FA0 #B98D2F #2FB948

split-complementary

#2F5BB9 #B9482F #A0B92F

monochromatic

#162B57 #234388 #2F5BB9 #527BD3 #83A0DF

Accessibility & contrast

On white

6.33

#2F5BB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#2F5BB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5BB9

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5BB9	#FFFFFF	#000000	##FFFFFF
##2F5BB9	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2166BC

Deuteranopia (green-blind)

#005AB7

Tritanopia (blue-blind)

#007281

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #2f5bb9;
/* rgb */ color: rgb(47, 91, 185);
/* oklch */ color: oklch(49.4% 0.157 263.0);

Tailwind

colors: {
  custom: {
    50: '#7b88cf',
    500: '#2f5bb9',
    950: '#000000',
  },
}

SCSS

$custom: #2f5bb9;
$custom-light: #7b88cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5bb9",
  "rgb": {
    "r": 47,
    "g": 91,
    "b": 185
  },
  "hsl": {
    "h": 220.87,
    "s": 59.483,
    "l": 45.49
  },
  "oklch": {
    "l": 0.49379,
    "c": 0.15666,
    "h": 263
  },
  "luminance": 0.11589
}

Semantic roles & 50–950 ramp

primary

#2F5BB9

secondary

#C9B07B

accent

#B045E3

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2F5BB9

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

Preview Lab → · Contrast checker → · Palette generator →