#2B4DA5#2B4DA5

#2B4DA5 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.7% C 0.148 H 265.0°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#2B4DA5
RGB	rgb(43, 77, 165)
HSL	hsl(223, 59%, 41%)
HSV	hsv(223, 74%, 65%)
CMYK	cmyk(73.9%, 53.3%, 0%, 35.3%)
CIE-LAB	lab(35.08, 19.29, -51.11)
CIE-LCH	lch(35.08, 54.63, 290.68°)
OKLab	oklab(44.72% -0.0128 -0.1471)
OKLCH	oklch(44.72% 0.148 265)
XYZ	xyz(10.4393, 8.5368, 36.6876)
Luminance	0.0854 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4DA5 #A5832B

analogous

#2B8AA5 #2B4DA5 #462BA5

triadic

#2B4DA5 #A52B4D #4DA52B

tetradic

#2B4DA5 #A52B8A #A5832B #2BA546

square

#2B4DA5 #A52B8A #A5832B #2BA546

split-complementary

#2B4DA5 #A5462B #8AA52B

monochromatic

#122044 #1E3674 #2B4DA5 #4067CD #718EDA

Accessibility & contrast

On white

7.76

#2B4DA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#2B4DA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4DA5

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4DA5	#FFFFFF	#000000	##FFFFFF
##2B4DA5	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F58A8

Deuteranopia (green-blind)

#004DA3

Tritanopia (blue-blind)

#006271

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2b4da5;
/* rgb */ color: rgb(43, 77, 165);
/* oklch */ color: oklch(44.7% 0.148 265.0);

Tailwind

colors: {
  custom: {
    50: '#757ec0',
    500: '#2b4da5',
    950: '#000000',
  },
}

SCSS

$custom: #2b4da5;
$custom-light: #757ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4da5",
  "rgb": {
    "r": 43,
    "g": 77,
    "b": 165
  },
  "hsl": {
    "h": 223.279,
    "s": 58.654,
    "l": 40.784
  },
  "oklch": {
    "l": 0.44721,
    "c": 0.14764,
    "h": 265
  },
  "luminance": 0.08538
}

Semantic roles & 50–950 ramp

primary

#2B4DA5

secondary

#C1A96B

accent

#B646E2

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2B4DA5

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

Preview Lab → · Contrast checker → · Palette generator →