#2F4DA3#2F4DA3

#2F4DA3 is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.8% C 0.144 H 266.2°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#2F4DA3
RGB	rgb(47, 77, 163)
HSL	hsl(224, 55%, 41%)
HSV	hsv(224, 71%, 64%)
CMYK	cmyk(71.2%, 52.8%, 0%, 36.1%)
CIE-LAB	lab(35.11, 19.10, -49.84)
CIE-LCH	lch(35.11, 53.37, 290.96°)
OKLab	oklab(44.75% -0.0095 -0.1433)
OKLCH	oklch(44.75% 0.144 266.2)
XYZ	xyz(10.4347, 8.5554, 35.7447)
Luminance	0.0856 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4DA3 #A3852F

analogous

#2F87A3 #2F4DA3 #4B2FA3

triadic

#2F4DA3 #A32F4D #4DA32F

tetradic

#2F4DA3 #A32F87 #A3852F #2FA34B

square

#2F4DA3 #A32F87 #A3852F #2FA34B

split-complementary

#2F4DA3 #A34B2F #87A32F

monochromatic

#142044 #213773 #2F4DA3 #4668CA #758FD7

Accessibility & contrast

On white

7.75

#2F4DA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#2F4DA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4DA3

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4DA3	#FFFFFF	#000000	##FFFFFF
##2F4DA3	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1558A6

Deuteranopia (green-blind)

#004EA1

Tritanopia (blue-blind)

#006270

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2f4da3;
/* rgb */ color: rgb(47, 77, 163);
/* oklch */ color: oklch(44.8% 0.144 266.2);

Tailwind

colors: {
  custom: {
    50: '#767ebf',
    500: '#2f4da3',
    950: '#000000',
  },
}

SCSS

$custom: #2f4da3;
$custom-light: #767ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4da3",
  "rgb": {
    "r": 47,
    "g": 77,
    "b": 163
  },
  "hsl": {
    "h": 224.483,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.44753,
    "c": 0.1436,
    "h": 266.2
  },
  "luminance": 0.08556
}

Semantic roles & 50–950 ramp

primary

#2F4DA3

secondary

#BFAA6F

accent

#B849DF

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2F4DA3

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

Preview Lab → · Contrast checker → · Palette generator →