#2A3D8F#2A3D8F

#2A3D8F is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.6% C 0.137 H 269.3°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#2A3D8F
RGB	rgb(42, 61, 143)
HSL	hsl(229, 55%, 36%)
HSV	hsv(229, 71%, 56%)
CMYK	cmyk(70.6%, 57.3%, 0%, 43.9%)
CIE-LAB	lab(28.93, 21.54, -47.72)
CIE-LCH	lch(28.93, 52.35, 294.29°)
OKLab	oklab(39.55% -0.0017 -0.1374)
OKLCH	oklch(39.55% 0.137 269.3)
XYZ	xyz(7.5798, 5.8122, 26.7037)
Luminance	0.0581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3D8F #8F7C2A

analogous

#2A708F #2A3D8F #4A2A8F

triadic

#2A3D8F #8F2A3D #3D8F2A

tetradic

#2A3D8F #8F2A70 #8F7C2A #2A8F4A

square

#2A3D8F #8F2A70 #8F7C2A #2A8F4A

split-complementary

#2A3D8F #8F4A2A #708F2A

monochromatic

#0E1530 #1C2960 #2A3D8F #3851BE #6277D1

Accessibility & contrast

On white

9.71

#2A3D8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2A3D8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3D8F

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3D8F	#FFFFFF	#000000	##FFFFFF
##2A3D8F	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004992

Deuteranopia (green-blind)

#00408D

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2a3d8f;
/* rgb */ color: rgb(42, 61, 143);
/* oklch */ color: oklch(39.6% 0.137 269.3);

Tailwind

colors: {
  custom: {
    50: '#7172b0',
    500: '#2a3d8f',
    950: '#000000',
  },
}

SCSS

$custom: #2a3d8f;
$custom-light: #7172b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3d8f",
  "rgb": {
    "r": 42,
    "g": 61,
    "b": 143
  },
  "hsl": {
    "h": 228.713,
    "s": 54.595,
    "l": 36.275
  },
  "oklch": {
    "l": 0.39552,
    "c": 0.13739,
    "h": 269.3
  },
  "luminance": 0.05813
}

Semantic roles & 50–950 ramp

primary

#2A3D8F

secondary

#B7A65E

accent

#C24ADE

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2A3D8F

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

Preview Lab → · Contrast checker → · Palette generator →