#2F5BB8#2F5BB8

#2F5BB8 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.3% C 0.155 H 262.9°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#2F5BB8
RGB	rgb(47, 91, 184)
HSL	hsl(221, 59%, 45%)
HSV	hsv(221, 74%, 72%)
CMYK	cmyk(74.5%, 50.5%, 0%, 27.8%)
CIE-LAB	lab(40.48, 17.81, -53.60)
CIE-LCH	lch(40.48, 56.48, 288.38°)
OKLab	oklab(49.31% -0.0191 -0.1541)
OKLCH	oklch(49.31% 0.155 262.9)
XYZ	xyz(13.5620, 11.5457, 46.8519)
Luminance	0.1155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5BB8 #B88C2F

analogous

#2F9FB8 #2F5BB8 #482FB8

triadic

#2F5BB8 #B82F5B #5BB82F

tetradic

#2F5BB8 #B82F9F #B88C2F #2FB848

square

#2F5BB8 #B82F9F #B88C2F #2FB848

split-complementary

#2F5BB8 #B8482F #9FB82F

monochromatic

#162B57 #234387 #2F5BB8 #527BD3 #82A0DF

Accessibility & contrast

On white

6.35

#2F5BB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#2F5BB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5BB8

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5BB8	#FFFFFF	#000000	##FFFFFF
##2F5BB8	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2266BB

Deuteranopia (green-blind)

#0059B6

Tritanopia (blue-blind)

#007181

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2f5bb8;
/* rgb */ color: rgb(47, 91, 184);
/* oklch */ color: oklch(49.3% 0.155 262.9);

Tailwind

colors: {
  custom: {
    50: '#7a88ce',
    500: '#2f5bb8',
    950: '#000000',
  },
}

SCSS

$custom: #2f5bb8;
$custom-light: #7a88ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5bb8",
  "rgb": {
    "r": 47,
    "g": 91,
    "b": 184
  },
  "hsl": {
    "h": 220.73,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.49305,
    "c": 0.15529,
    "h": 262.9
  },
  "luminance": 0.11547
}

Semantic roles & 50–950 ramp

primary

#2F5BB8

secondary

#C8AF7B

accent

#B045E2

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2F5BB8

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

Preview Lab → · Contrast checker → · Palette generator →