#2A4378#2A4378

#2A4378 is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.1% C 0.095 H 263.6°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#2A4378
RGB	rgb(42, 67, 120)
HSL	hsl(221, 48%, 32%)
HSV	hsv(221, 65%, 47%)
CMYK	cmyk(65%, 44.2%, 0%, 52.9%)
CIE-LAB	lab(29.06, 8.66, -33.21)
CIE-LCH	lch(29.06, 34.32, 284.62°)
OKLab	oklab(39.13% -0.0106 -0.0946)
OKLCH	oklch(39.13% 0.095 263.6)
XYZ	xyz(6.3510, 5.8620, 18.5625)
Luminance	0.0586 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4378 #785F2A

analogous

#2A6A78 #2A4378 #382A78

triadic

#2A4378 #782A43 #43782A

tetradic

#2A4378 #782A6A #785F2A #2A7838

square

#2A4378 #782A6A #785F2A #2A7838

split-complementary

#2A4378 #78382A #6A782A

monochromatic

#0A101D #1A2A4B #2A4378 #3A5CA5 #587BC5

Accessibility & contrast

On white

9.67

#2A4378 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2A4378 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4378

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4378	#FFFFFF	#000000	##FFFFFF
##2A4378	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B487A

Deuteranopia (green-blind)

#1F4177

Tritanopia (blue-blind)

#004F57

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2a4378;
/* rgb */ color: rgb(42, 67, 120);
/* oklch */ color: oklch(39.1% 0.095 263.6);

Tailwind

colors: {
  custom: {
    50: '#6c769f',
    500: '#2a4378',
    950: '#000000',
  },
}

SCSS

$custom: #2a4378;
$custom-light: #6c769f;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4378",
  "rgb": {
    "r": 42,
    "g": 67,
    "b": 120
  },
  "hsl": {
    "h": 220.769,
    "s": 48.148,
    "l": 31.765
  },
  "oklch": {
    "l": 0.39134,
    "c": 0.09521,
    "h": 263.6
  },
  "luminance": 0.05863
}

Semantic roles & 50–950 ramp

primary

#2A4378

secondary

#AA8E54

accent

#AC50D8

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #2A4378

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

Preview Lab → · Contrast checker → · Palette generator →