#2147A5#2147A5

#2147A5 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.1% C 0.158 H 264.1°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#2147A5
RGB	rgb(33, 71, 165)
HSL	hsl(223, 67%, 39%)
HSV	hsv(223, 80%, 65%)
CMYK	cmyk(80%, 57%, 0%, 35.3%)
CIE-LAB	lab(33.02, 22.13, -54.47)
CIE-LCH	lch(33.02, 58.79, 292.11°)
OKLab	oklab(43.06% -0.0161 -0.1572)
OKLCH	oklch(43.06% 0.158 264.1)
XYZ	xyz(9.6696, 7.5453, 36.5368)
Luminance	0.0755 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2147A5 #A57F21

analogous

#2189A5 #2147A5 #3D21A5

triadic

#2147A5 #A52147 #47A521

tetradic

#2147A5 #A52189 #A57F21 #21A53D

square

#2147A5 #A52189 #A57F21 #21A53D

split-complementary

#2147A5 #A53D21 #89A521

monochromatic

#0D1B3F #173172 #2147A5 #2E5ED5 #6185DF

Accessibility & contrast

On white

8.37

#2147A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#2147A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2147A5

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2147A5	#FFFFFF	#000000	##FFFFFF
##2147A5	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A8

Deuteranopia (green-blind)

#0048A3

Tritanopia (blue-blind)

#005E6F

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2147a5;
/* rgb */ color: rgb(33, 71, 165);
/* oklch */ color: oklch(43.1% 0.158 264.1);

Tailwind

colors: {
  custom: {
    50: '#7279c0',
    500: '#2147a5',
    950: '#000000',
  },
}

SCSS

$custom: #2147a5;
$custom-light: #7279c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2147a5",
  "rgb": {
    "r": 33,
    "g": 71,
    "b": 165
  },
  "hsl": {
    "h": 222.727,
    "s": 66.667,
    "l": 38.824
  },
  "oklch": {
    "l": 0.43055,
    "c": 0.15807,
    "h": 264.1
  },
  "luminance": 0.07546
}

Semantic roles & 50–950 ramp

primary

#2147A5

secondary

#C4A75E

accent

#B83EEA

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2147A5

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

Preview Lab → · Contrast checker → · Palette generator →