#2147A9#2147A9

#2147A9 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.4% C 0.164 H 264.4°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#2147A9
RGB	rgb(33, 71, 169)
HSL	hsl(223, 67%, 40%)
HSV	hsv(223, 80%, 66%)
CMYK	cmyk(80.5%, 58%, 0%, 33.7%)
CIE-LAB	lab(33.34, 23.70, -56.35)
CIE-LCH	lch(33.34, 61.13, 292.81°)
OKLab	oklab(43.39% -0.0159 -0.1628)
OKLCH	oklch(43.39% 0.164 264.4)
XYZ	xyz(10.0393, 7.6932, 38.4842)
Luminance	0.0769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2147A9 #A98321

analogous

#218BA9 #2147A9 #3F21A9

triadic

#2147A9 #A92147 #47A921

tetradic

#2147A9 #A9218B #A98321 #21A93F

square

#2147A9 #A9218B #A98321 #21A93F

split-complementary

#2147A9 #A93F21 #8BA921

monochromatic

#0D1C43 #173176 #2147A9 #315FD7 #6487E1

Accessibility & contrast

On white

8.27

#2147A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#2147A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2147A9

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2147A9	#FFFFFF	#000000	##FFFFFF
##2147A9	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055AC

Deuteranopia (green-blind)

#0048A7

Tritanopia (blue-blind)

#006071

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2147a9;
/* rgb */ color: rgb(33, 71, 169);
/* oklch */ color: oklch(43.4% 0.164 264.4);

Tailwind

colors: {
  custom: {
    50: '#7379c3',
    500: '#2147a9',
    950: '#000000',
  },
}

SCSS

$custom: #2147a9;
$custom-light: #7379c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2147a9",
  "rgb": {
    "r": 33,
    "g": 71,
    "b": 169
  },
  "hsl": {
    "h": 223.235,
    "s": 67.327,
    "l": 39.608
  },
  "oklch": {
    "l": 0.43394,
    "c": 0.16353,
    "h": 264.4
  },
  "luminance": 0.07694
}

Semantic roles & 50–950 ramp

primary

#2147A9

secondary

#C6A960

accent

#BA3EEA

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#090913

muted

#7B7B82

Preview Lab

Preview with #2147A9

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

Preview Lab → · Contrast checker → · Palette generator →