#2F4BA3#2F4BA3

#2F4BA3 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.3% C 0.146 H 267.0°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#2F4BA3
RGB	rgb(47, 75, 163)
HSL	hsl(226, 55%, 41%)
HSV	hsv(226, 71%, 64%)
CMYK	cmyk(71.2%, 54%, 0%, 36.1%)
CIE-LAB	lab(34.56, 20.43, -50.74)
CIE-LCH	lch(34.56, 54.70, 291.93°)
OKLab	oklab(44.33% -0.0078 -0.1459)
OKLCH	oklch(44.33% 0.146 267)
XYZ	xyz(10.2969, 8.2798, 35.6987)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4BA3 #A3872F

analogous

#2F85A3 #2F4BA3 #4D2FA3

triadic

#2F4BA3 #A32F4B #4BA32F

tetradic

#2F4BA3 #A32F85 #A3872F #2FA34D

square

#2F4BA3 #A32F85 #A3872F #2FA34D

split-complementary

#2F4BA3 #A34D2F #85A32F

monochromatic

#141F44 #213573 #2F4BA3 #4665CA #758DD7

Accessibility & contrast

On white

7.91

#2F4BA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#2F4BA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4BA3

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4BA3	#FFFFFF	#000000	##FFFFFF
##2F4BA3	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B57A6

Deuteranopia (green-blind)

#004CA1

Tritanopia (blue-blind)

#00606F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2f4ba3;
/* rgb */ color: rgb(47, 75, 163);
/* oklch */ color: oklch(44.3% 0.146 267.0);

Tailwind

colors: {
  custom: {
    50: '#777cbf',
    500: '#2f4ba3',
    950: '#000000',
  },
}

SCSS

$custom: #2f4ba3;
$custom-light: #777cbf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4ba3",
  "rgb": {
    "r": 47,
    "g": 75,
    "b": 163
  },
  "hsl": {
    "h": 225.517,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.44333,
    "c": 0.14616,
    "h": 267
  },
  "luminance": 0.08281
}

Semantic roles & 50–950 ramp

primary

#2F4BA3

secondary

#BFAC6F

accent

#BB49DF

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2F4BA3

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

Preview Lab → · Contrast checker → · Palette generator →