#2F4EAB#2F4EAB

#2F4EAB is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.6% C 0.154 H 266.4°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#2F4EAB
RGB	rgb(47, 78, 171)
HSL	hsl(225, 57%, 43%)
HSV	hsv(225, 73%, 67%)
CMYK	cmyk(72.5%, 54.4%, 0%, 32.9%)
CIE-LAB	lab(35.97, 21.45, -53.23)
CIE-LCH	lch(35.97, 57.39, 291.95°)
OKLab	oklab(45.58% -0.0097 -0.1532)
OKLCH	oklch(45.58% 0.154 266.4)
XYZ	xyz(11.2448, 8.9922, 39.6632)
Luminance	0.0899 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4EAB #AB8C2F

analogous

#2F8CAB #2F4EAB #4E2FAB

triadic

#2F4EAB #AB2F4E #4EAB2F

tetradic

#2F4EAB #AB2F8C #AB8C2F #2FAB4E

square

#2F4EAB #AB2F8C #AB8C2F #2FAB4E

split-complementary

#2F4EAB #AB4E2F #8CAB2F

monochromatic

#15224B #22387B #2F4EAB #4A6BCD #7A92DA

Accessibility & contrast

On white

7.50

#2F4EAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#2F4EAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4EAB

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4EAB	#FFFFFF	#000000	##FFFFFF
##2F4EAB	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#045BAE

Deuteranopia (green-blind)

#004FA9

Tritanopia (blue-blind)

#006575

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2f4eab;
/* rgb */ color: rgb(47, 78, 171);
/* oklch */ color: oklch(45.6% 0.154 266.4);

Tailwind

colors: {
  custom: {
    50: '#787fc5',
    500: '#2f4eab',
    950: '#000000',
  },
}

SCSS

$custom: #2f4eab;
$custom-light: #787fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4eab",
  "rgb": {
    "r": 47,
    "g": 78,
    "b": 171
  },
  "hsl": {
    "h": 225,
    "s": 56.881,
    "l": 42.745
  },
  "oklch": {
    "l": 0.45584,
    "c": 0.15354,
    "h": 266.4
  },
  "luminance": 0.08993
}

Semantic roles & 50–950 ramp

primary

#2F4EAB

secondary

#C3AF73

accent

#BA48E0

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2F4EAB

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

Preview Lab → · Contrast checker → · Palette generator →