#2F5FB0#2F5FB0

#2F5FB0 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.6% C 0.139 H 260.2°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#2F5FB0
RGB	rgb(47, 95, 176)
HSL	hsl(218, 58%, 44%)
HSV	hsv(218, 73%, 69%)
CMYK	cmyk(73.3%, 46%, 0%, 31%)
CIE-LAB	lab(41.09, 12.18, -47.93)
CIE-LCH	lch(41.09, 49.45, 284.25°)
OKLab	oklab(49.6% -0.0237 -0.1373)
OKLCH	oklch(49.6% 0.139 260.2)
XYZ	xyz(13.0981, 11.9219, 42.6767)
Luminance	0.1192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5FB0 #B0802F

analogous

#2F9FB0 #2F5FB0 #3F2FB0

triadic

#2F5FB0 #B02F5F #5FB02F

tetradic

#2F5FB0 #B02F9F #B0802F #2FB03F

square

#2F5FB0 #B02F9F #B0802F #2FB03F

split-complementary

#2F5FB0 #B03F2F #9FB02F

monochromatic

#152B4F #224580 #2F5FB0 #4D7DCF #7DA1DC

Accessibility & contrast

On white

6.20

#2F5FB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#2F5FB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5FB0

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5FB0	#FFFFFF	#000000	##FFFFFF
##2F5FB0	1.00	6.20	3.38	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3567B3

Deuteranopia (green-blind)

#195BAE

Tritanopia (blue-blind)

#00727F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #2f5fb0;
/* rgb */ color: rgb(47, 95, 176);
/* oklch */ color: oklch(49.6% 0.139 260.2);

Tailwind

colors: {
  custom: {
    50: '#788bc8',
    500: '#2f5fb0',
    950: '#000000',
  },
}

SCSS

$custom: #2f5fb0;
$custom-light: #788bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5fb0",
  "rgb": {
    "r": 47,
    "g": 95,
    "b": 176
  },
  "hsl": {
    "h": 217.674,
    "s": 57.848,
    "l": 43.725
  },
  "oklch": {
    "l": 0.49601,
    "c": 0.13938,
    "h": 260.2
  },
  "luminance": 0.11923
}

Semantic roles & 50–950 ramp

primary

#2F5FB0

secondary

#C5A876

accent

#A847E1

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2F5FB0

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

Preview Lab → · Contrast checker → · Palette generator →