#2159BD#2159BD

#2159BD is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.8% C 0.168 H 261.0°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#2159BD
RGB	rgb(33, 89, 189)
HSL	hsl(218, 70%, 44%)
HSV	hsv(218, 83%, 74%)
CMYK	cmyk(82.5%, 52.9%, 0%, 25.9%)
CIE-LAB	lab(39.82, 19.52, -57.63)
CIE-LCH	lch(39.82, 60.85, 288.72°)
OKLab	oklab(48.78% -0.0264 -0.1662)
OKLCH	oklch(48.78% 0.168 261)
XYZ	xyz(13.3816, 11.1406, 49.5793)
Luminance	0.1114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2159BD #BD8521

analogous

#21A7BD #2159BD #3721BD

triadic

#2159BD #BD2159 #59BD21

tetradic

#2159BD #BD21A7 #BD8521 #21BD37

square

#2159BD #BD21A7 #BD8521 #21BD37

split-complementary

#2159BD #BD3721 #A7BD21

monochromatic

#0F2855 #184089 #2159BD #3E77DD #729CE6

Accessibility & contrast

On white

6.50

#2159BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#2159BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2159BD

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2159BD	#FFFFFF	#000000	##FFFFFF
##2159BD	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B65C1

Deuteranopia (green-blind)

#0057BB

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2159bd;
/* rgb */ color: rgb(33, 89, 189);
/* oklch */ color: oklch(48.8% 0.168 261.0);

Tailwind

colors: {
  custom: {
    50: '#7787d2',
    500: '#2159bd',
    950: '#000000',
  },
}

SCSS

$custom: #2159bd;
$custom-light: #7787d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2159bd",
  "rgb": {
    "r": 33,
    "g": 89,
    "b": 189
  },
  "hsl": {
    "h": 218.462,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.48777,
    "c": 0.16828,
    "h": 261
  },
  "luminance": 0.11142
}

Semantic roles & 50–950 ramp

primary

#2159BD

secondary

#CDAB6D

accent

#AD3BED

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0A0B14

muted

#7C7C83

Preview Lab

Preview with #2159BD

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

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