#2F4BA1#2F4BA1

#2F4BA1 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.2% C 0.143 H 266.8°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#2F4BA1
RGB	rgb(47, 75, 161)
HSL	hsl(225, 55%, 41%)
HSV	hsv(225, 71%, 63%)
CMYK	cmyk(70.8%, 53.4%, 0%, 36.9%)
CIE-LAB	lab(34.41, 19.68, -49.77)
CIE-LCH	lch(34.41, 53.52, 291.57°)
OKLab	oklab(44.18% -0.0079 -0.1431)
OKLCH	oklch(44.18% 0.143 266.8)
XYZ	xyz(10.1192, 8.2087, 34.7624)
Luminance	0.0821 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4BA1 #A1852F

analogous

#2F84A1 #2F4BA1 #4C2FA1

triadic

#2F4BA1 #A12F4B #4BA12F

tetradic

#2F4BA1 #A12F84 #A1852F #2FA14C

square

#2F4BA1 #A12F84 #A1852F #2FA14C

split-complementary

#2F4BA1 #A14C2F #84A12F

monochromatic

#131F42 #213572 #2F4BA1 #4565C9 #748CD6

Accessibility & contrast

On white

7.95

#2F4BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#2F4BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4BA1

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4BA1	#FFFFFF	#000000	##FFFFFF
##2F4BA1	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1056A4

Deuteranopia (green-blind)

#004C9F

Tritanopia (blue-blind)

#00606E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2f4ba1;
/* rgb */ color: rgb(47, 75, 161);
/* oklch */ color: oklch(44.2% 0.143 266.8);

Tailwind

colors: {
  custom: {
    50: '#767cbd',
    500: '#2f4ba1',
    950: '#000000',
  },
}

SCSS

$custom: #2f4ba1;
$custom-light: #767cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4ba1",
  "rgb": {
    "r": 47,
    "g": 75,
    "b": 161
  },
  "hsl": {
    "h": 225.263,
    "s": 54.808,
    "l": 40.784
  },
  "oklch": {
    "l": 0.44178,
    "c": 0.14333,
    "h": 266.8
  },
  "luminance": 0.0821
}

Semantic roles & 50–950 ramp

primary

#2F4BA1

secondary

#BEAA6E

accent

#BA4ADE

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2F4BA1

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

Preview Lab → · Contrast checker → · Palette generator →