#2A4F9C#2A4F9C

#2A4F9C is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.4% C 0.133 H 262.9°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#2A4F9C
RGB	rgb(42, 79, 156)
HSL	hsl(221, 58%, 39%)
HSV	hsv(221, 73%, 61%)
CMYK	cmyk(73.1%, 49.4%, 0%, 38.8%)
CIE-LAB	lab(34.97, 14.36, -45.88)
CIE-LCH	lch(34.97, 48.07, 287.38°)
OKLab	oklab(44.43% -0.0165 -0.1317)
OKLCH	oklch(44.43% 0.133 262.9)
XYZ	xyz(9.7494, 8.4835, 32.5697)
Luminance	0.0848 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4F9C #9C772A

analogous

#2A889C #2A4F9C #3E2A9C

triadic

#2A4F9C #9C2A4F #4F9C2A

tetradic

#2A4F9C #9C2A88 #9C772A #2A9C3E

square

#2A4F9C #9C2A88 #9C772A #2A9C3E

split-complementary

#2A4F9C #9C3E2A #889C2A

monochromatic

#101E3C #1D376C #2A4F9C #3968CA #6A8DD7

Accessibility & contrast

On white

7.79

#2A4F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#2A4F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4F9C

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4F9C	#FFFFFF	#000000	##FFFFFF
##2A4F9C	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24589F

Deuteranopia (green-blind)

#004D9A

Tritanopia (blue-blind)

#00616E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2a4f9c;
/* rgb */ color: rgb(42, 79, 156);
/* oklch */ color: oklch(44.4% 0.133 262.9);

Tailwind

colors: {
  custom: {
    50: '#737fba',
    500: '#2a4f9c',
    950: '#000000',
  },
}

SCSS

$custom: #2a4f9c;
$custom-light: #737fba;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4f9c",
  "rgb": {
    "r": 42,
    "g": 79,
    "b": 156
  },
  "hsl": {
    "h": 220.526,
    "s": 57.576,
    "l": 38.824
  },
  "oklch": {
    "l": 0.44427,
    "c": 0.1327,
    "h": 262.9
  },
  "luminance": 0.08485
}

Semantic roles & 50–950 ramp

primary

#2A4F9C

secondary

#BDA065

accent

#AF47E1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2A4F9C

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

Preview Lab → · Contrast checker → · Palette generator →