#2A4F83#2A4F83

#2A4F83 is a dark, moderate blue. Relative luminance 0.077; OKLCH L 42.7% C 0.097 H 257.2°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#2A4F83
RGB	rgb(42, 79, 131)
HSL	hsl(215, 51%, 34%)
HSV	hsv(215, 68%, 51%)
CMYK	cmyk(67.9%, 39.7%, 0%, 48.6%)
CIE-LAB	lab(33.40, 4.79, -33.15)
CIE-LCH	lch(33.40, 33.50, 278.22°)
OKLab	oklab(42.71% -0.0214 -0.0943)
OKLCH	oklch(42.71% 0.097 257.2)
XYZ	xyz(7.8461, 7.7221, 22.5454)
Luminance	0.0772 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4F83 #835E2A

analogous

#2A7C83 #2A4F83 #322A83

triadic

#2A4F83 #832A4F #4F832A

tetradic

#2A4F83 #832A7C #835E2A #2A8332

square

#2A4F83 #832A7C #835E2A #2A8332

split-complementary

#2A4F83 #83322A #7C832A

monochromatic

#0C1726 #1B3355 #2A4F83 #396BB1 #5D8ACB

Accessibility & contrast

On white

8.25

#2A4F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#2A4F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4F83

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4F83	#FFFFFF	#000000	##FFFFFF
##2A4F83	1.00	8.25	2.54	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385385

Deuteranopia (green-blind)

#2B4B82

Tritanopia (blue-blind)

#005B62

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2a4f83;
/* rgb */ color: rgb(42, 79, 131);
/* oklch */ color: oklch(42.7% 0.097 257.2);

Tailwind

colors: {
  custom: {
    50: '#6e7fa7',
    500: '#2a4f83',
    950: '#000000',
  },
}

SCSS

$custom: #2a4f83;
$custom-light: #6e7fa7;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4f83",
  "rgb": {
    "r": 42,
    "g": 79,
    "b": 131
  },
  "hsl": {
    "h": 215.056,
    "s": 51.445,
    "l": 33.922
  },
  "oklch": {
    "l": 0.42706,
    "c": 0.09669,
    "h": 257.2
  },
  "luminance": 0.07723
}

Semantic roles & 50–950 ramp

primary

#2A4F83

secondary

#B18C58

accent

#A04DDB

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #2A4F83

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

Preview Lab → · Contrast checker → · Palette generator →