#2A4F9D#2A4F9D

#2A4F9D is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.5% C 0.134 H 263.0°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#2A4F9D
RGB	rgb(42, 79, 157)
HSL	hsl(221, 58%, 39%)
HSV	hsv(221, 73%, 62%)
CMYK	cmyk(73.2%, 49.7%, 0%, 38.4%)
CIE-LAB	lab(35.04, 14.74, -46.37)
CIE-LCH	lch(35.04, 48.66, 287.64°)
OKLab	oklab(44.5% -0.0163 -0.1331)
OKLCH	oklch(44.5% 0.134 263)
XYZ	xyz(9.8345, 8.5175, 33.0175)
Luminance	0.0852 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4F9D #9D782A

analogous

#2A899D #2A4F9D #3F2A9D

triadic

#2A4F9D #9D2A4F #4F9D2A

tetradic

#2A4F9D #9D2A89 #9D782A #2A9D3F

square

#2A4F9D #9D2A89 #9D782A #2A9D3F

split-complementary

#2A4F9D #9D3F2A #899D2A

monochromatic

#101E3C #1D376D #2A4F9D #3A68CA #6A8DD7

Accessibility & contrast

On white

7.77

#2A4F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#2A4F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4F9D

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4F9D	#FFFFFF	#000000	##FFFFFF
##2A4F9D	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2358A0

Deuteranopia (green-blind)

#004D9B

Tritanopia (blue-blind)

#00616E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2a4f9d;
/* rgb */ color: rgb(42, 79, 157);
/* oklch */ color: oklch(44.5% 0.134 263.0);

Tailwind

colors: {
  custom: {
    50: '#737fba',
    500: '#2a4f9d',
    950: '#000000',
  },
}

SCSS

$custom: #2a4f9d;
$custom-light: #737fba;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4f9d",
  "rgb": {
    "r": 42,
    "g": 79,
    "b": 157
  },
  "hsl": {
    "h": 220.696,
    "s": 57.789,
    "l": 39.02
  },
  "oklch": {
    "l": 0.44501,
    "c": 0.13412,
    "h": 263
  },
  "luminance": 0.08519
}

Semantic roles & 50–950 ramp

primary

#2A4F9D

secondary

#BEA165

accent

#AF47E1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2A4F9D

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

Preview Lab → · Contrast checker → · Palette generator →