#2A4E81#2A4E81

#2A4E81 is a dark, moderate blue. Relative luminance 0.075; OKLCH L 42.3% C 0.095 H 257.3°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#2A4E81
RGB	rgb(42, 78, 129)
HSL	hsl(215, 51%, 34%)
HSV	hsv(215, 67%, 51%)
CMYK	cmyk(67.4%, 39.5%, 0%, 49.4%)
CIE-LAB	lab(32.97, 4.69, -32.59)
CIE-LCH	lch(32.97, 32.93, 278.19°)
OKLab	oklab(42.34% -0.0208 -0.0927)
OKLCH	oklch(42.34% 0.095 257.3)
XYZ	xyz(7.6403, 7.5253, 21.8145)
Luminance	0.0753 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4E81 #815D2A

analogous

#2A7981 #2A4E81 #312A81

triadic

#2A4E81 #812A4E #4E812A

tetradic

#2A4E81 #812A79 #815D2A #2A8131

square

#2A4E81 #812A79 #815D2A #2A8131

split-complementary

#2A4E81 #81312A #79812A

monochromatic

#0C1625 #1B3253 #2A4E81 #396AAF #5C89CA

Accessibility & contrast

On white

8.38

#2A4E81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#2A4E81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4E81

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4E81	#FFFFFF	#000000	##FFFFFF
##2A4E81	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375283

Deuteranopia (green-blind)

#2B4A80

Tritanopia (blue-blind)

#005A61

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2a4e81;
/* rgb */ color: rgb(42, 78, 129);
/* oklch */ color: oklch(42.3% 0.095 257.3);

Tailwind

colors: {
  custom: {
    50: '#6d7fa6',
    500: '#2a4e81',
    950: '#000000',
  },
}

SCSS

$custom: #2a4e81;
$custom-light: #6d7fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4e81",
  "rgb": {
    "r": 42,
    "g": 78,
    "b": 129
  },
  "hsl": {
    "h": 215.172,
    "s": 50.877,
    "l": 33.529
  },
  "oklch": {
    "l": 0.42339,
    "c": 0.09497,
    "h": 257.3
  },
  "luminance": 0.07526
}

Semantic roles & 50–950 ramp

primary

#2A4E81

secondary

#AF8B57

accent

#A04DDA

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #2A4E81

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

Preview Lab → · Contrast checker → · Palette generator →