#2A4DA5#2A4DA5

#2A4DA5 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.7% C 0.148 H 264.7°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#2A4DA5
RGB	rgb(42, 77, 165)
HSL	hsl(223, 59%, 41%)
HSV	hsv(223, 75%, 65%)
CMYK	cmyk(74.5%, 53.3%, 0%, 35.3%)
CIE-LAB	lab(35.03, 19.16, -51.18)
CIE-LCH	lch(35.03, 54.65, 290.52°)
OKLab	oklab(44.68% -0.0136 -0.1473)
OKLCH	oklch(44.68% 0.148 264.7)
XYZ	xyz(10.3979, 8.5155, 36.6857)
Luminance	0.0852 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4DA5 #A5822A

analogous

#2A8AA5 #2A4DA5 #452AA5

triadic

#2A4DA5 #A52A4D #4DA52A

tetradic

#2A4DA5 #A52A8A #A5822A #2AA545

square

#2A4DA5 #A52A8A #A5822A #2AA545

split-complementary

#2A4DA5 #A5452A #8AA52A

monochromatic

#111F43 #1E3674 #2A4DA5 #3E67CE #6F8EDA

Accessibility & contrast

On white

7.77

#2A4DA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#2A4DA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4DA5

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4DA5	#FFFFFF	#000000	##FFFFFF
##2A4DA5	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E58A8

Deuteranopia (green-blind)

#004DA3

Tritanopia (blue-blind)

#006271

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2a4da5;
/* rgb */ color: rgb(42, 77, 165);
/* oklch */ color: oklch(44.7% 0.148 264.7);

Tailwind

colors: {
  custom: {
    50: '#757ec0',
    500: '#2a4da5',
    950: '#000000',
  },
}

SCSS

$custom: #2a4da5;
$custom-light: #757ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4da5",
  "rgb": {
    "r": 42,
    "g": 77,
    "b": 165
  },
  "hsl": {
    "h": 222.927,
    "s": 59.42,
    "l": 40.588
  },
  "oklch": {
    "l": 0.44677,
    "c": 0.14794,
    "h": 264.7
  },
  "luminance": 0.08517
}

Semantic roles & 50–950 ramp

primary

#2A4DA5

secondary

#C1A869

accent

#B645E3

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2A4DA5

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

Preview Lab → · Contrast checker → · Palette generator →