#2161BD#2161BD

#2161BD is a mid, vivid blue. Relative luminance 0.125; OKLCH L 50.5% C 0.159 H 258.3°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#2161BD
RGB	rgb(33, 97, 189)
HSL	hsl(215, 70%, 44%)
HSV	hsv(215, 83%, 74%)
CMYK	cmyk(82.5%, 48.7%, 0%, 25.9%)
CIE-LAB	lab(42.07, 14.28, -53.99)
CIE-LCH	lch(42.07, 55.85, 284.82°)
OKLab	oklab(50.5% -0.0321 -0.1553)
OKLCH	oklch(50.5% 0.159 258.3)
XYZ	xyz(14.0838, 12.5451, 49.8134)
Luminance	0.1255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2161BD #BD7D21

analogous

#21AFBD #2161BD #2F21BD

triadic

#2161BD #BD2161 #61BD21

tetradic

#2161BD #BD21AF #BD7D21 #21BD2F

square

#2161BD #BD21AF #BD7D21 #21BD2F

split-complementary

#2161BD #BD2F21 #AFBD21

monochromatic

#0F2C55 #184689 #2161BD #3E7FDD #72A2E6

Accessibility & contrast

On white

5.98

#2161BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#2161BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2161BD

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2161BD	#FFFFFF	#000000	##FFFFFF
##2161BD	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B6BC0

Deuteranopia (green-blind)

#005DBB

Tritanopia (blue-blind)

#007786

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #2161bd;
/* rgb */ color: rgb(33, 97, 189);
/* oklch */ color: oklch(50.5% 0.159 258.3);

Tailwind

colors: {
  custom: {
    50: '#778dd1',
    500: '#2161bd',
    950: '#000000',
  },
}

SCSS

$custom: #2161bd;
$custom-light: #778dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#2161bd",
  "rgb": {
    "r": 33,
    "g": 97,
    "b": 189
  },
  "hsl": {
    "h": 215.385,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.50501,
    "c": 0.1586,
    "h": 258.3
  },
  "luminance": 0.12547
}

Semantic roles & 50–950 ramp

primary

#2161BD

secondary

#CDA66D

accent

#A43BED

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2161BD

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

Preview Lab → · Contrast checker → · Palette generator →