#2A4583#2A4583

#2A4583 is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.4% C 0.109 H 264.4°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#2A4583
RGB	rgb(42, 69, 131)
HSL	hsl(222, 51%, 34%)
HSV	hsv(222, 68%, 51%)
CMYK	cmyk(67.9%, 47.3%, 0%, 48.6%)
CIE-LAB	lab(30.37, 11.49, -37.99)
CIE-LCH	lch(30.37, 39.69, 286.83°)
OKLab	oklab(40.37% -0.0107 -0.1086)
OKLCH	oklch(40.37% 0.109 264.4)
XYZ	xyz(7.1783, 6.3865, 22.3228)
Luminance	0.0639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4583 #83682A

analogous

#2A7283 #2A4583 #3C2A83

triadic

#2A4583 #832A45 #45832A

tetradic

#2A4583 #832A72 #83682A #2A833C

square

#2A4583 #832A72 #83682A #2A833C

split-complementary

#2A4583 #833C2A #72832A

monochromatic

#0C1426 #1B2D55 #2A4583 #395DB1 #5D7ECB

Accessibility & contrast

On white

9.22

#2A4583 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2A4583 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4583

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4583	#FFFFFF	#000000	##FFFFFF
##2A4583	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264C85

Deuteranopia (green-blind)

#164482

Tritanopia (blue-blind)

#00535D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2a4583;
/* rgb */ color: rgb(42, 69, 131);
/* oklch */ color: oklch(40.4% 0.109 264.4);

Tailwind

colors: {
  custom: {
    50: '#6e78a7',
    500: '#2a4583',
    950: '#000000',
  },
}

SCSS

$custom: #2a4583;
$custom-light: #6e78a7;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4583",
  "rgb": {
    "r": 42,
    "g": 69,
    "b": 131
  },
  "hsl": {
    "h": 221.798,
    "s": 51.445,
    "l": 33.922
  },
  "oklch": {
    "l": 0.40365,
    "c": 0.10916,
    "h": 264.4
  },
  "luminance": 0.06387
}

Semantic roles & 50–950 ramp

primary

#2A4583

secondary

#B19658

accent

#B04DDB

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2A4583

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

Preview Lab → · Contrast checker → · Palette generator →