#2159AA#2159AA

#2159AA is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.3% C 0.143 H 258.3°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#2159AA
RGB	rgb(33, 89, 170)
HSL	hsl(215, 67%, 40%)
HSV	hsv(215, 81%, 67%)
CMYK	cmyk(80.6%, 47.6%, 0%, 33.3%)
CIE-LAB	lab(38.50, 12.06, -48.58)
CIE-LCH	lch(38.50, 50.06, 283.94°)
OKLab	oklab(47.35% -0.029 -0.1396)
OKLCH	oklch(47.35% 0.143 258.3)
XYZ	xyz(11.4526, 10.3690, 39.4202)
Luminance	0.1037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2159AA #AA7221

analogous

#219EAA #2159AA #2D21AA

triadic

#2159AA #AA2159 #59AA21

tetradic

#2159AA #AA219E #AA7221 #21AA2D

square

#2159AA #AA219E #AA7221 #21AA2D

split-complementary

#2159AA #AA2D21 #9EAA21

monochromatic

#0D2343 #173E77 #2159AA #3175D7 #6497E1

Accessibility & contrast

On white

6.83

#2159AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#2159AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2159AA

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2159AA	#FFFFFF	#000000	##FFFFFF
##2159AA	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C61AD

Deuteranopia (green-blind)

#0055A8

Tritanopia (blue-blind)

#006C79

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2159aa;
/* rgb */ color: rgb(33, 89, 170);
/* oklch */ color: oklch(47.3% 0.143 258.3);

Tailwind

colors: {
  custom: {
    50: '#7387c4',
    500: '#2159aa',
    950: '#000000',
  },
}

SCSS

$custom: #2159aa;
$custom-light: #7387c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2159aa",
  "rgb": {
    "r": 33,
    "g": 89,
    "b": 170
  },
  "hsl": {
    "h": 215.474,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.47346,
    "c": 0.14257,
    "h": 258.3
  },
  "luminance": 0.1037
}

Semantic roles & 50–950 ramp

primary

#2159AA

secondary

#C69D61

accent

#A43DEA

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #2159AA

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

Preview Lab → · Contrast checker → · Palette generator →