#2161B3#2161B3

#2161B3 is a mid, vivid cyan. Relative luminance 0.121; OKLCH L 49.8% C 0.145 H 256.5°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#2161B3
RGB	rgb(33, 97, 179)
HSL	hsl(214, 69%, 42%)
HSV	hsv(214, 82%, 70%)
CMYK	cmyk(81.6%, 45.8%, 0%, 29.8%)
CIE-LAB	lab(41.42, 10.37, -49.20)
CIE-LCH	lch(41.42, 50.28, 281.90°)
OKLab	oklab(49.79% -0.0338 -0.1412)
OKLCH	oklch(49.79% 0.145 256.5)
XYZ	xyz(13.0356, 12.1258, 44.2926)
Luminance	0.1213 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2161B3 #B37321

analogous

#21AAB3 #2161B3 #2A21B3

triadic

#2161B3 #B32161 #61B321

tetradic

#2161B3 #B321AA #B37321 #21B32A

square

#2161B3 #B321AA #B37321 #21B32A

split-complementary

#2161B3 #B32A21 #AAB321

monochromatic

#0E294C #17457F #2161B3 #377FDA #6BA0E4

Accessibility & contrast

On white

6.13

#2161B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#2161B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2161B3

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2161B3	#FFFFFF	#000000	##FFFFFF
##2161B3	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3569B6

Deuteranopia (green-blind)

#115CB1

Tritanopia (blue-blind)

#007581

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #2161b3;
/* rgb */ color: rgb(33, 97, 179);
/* oklch */ color: oklch(49.8% 0.145 256.5);

Tailwind

colors: {
  custom: {
    50: '#758dca',
    500: '#2161b3',
    950: '#000000',
  },
}

SCSS

$custom: #2161b3;
$custom-light: #758dca;
$custom-dark: #000000;

JSON

{
  "hex": "#2161b3",
  "rgb": {
    "r": 33,
    "g": 97,
    "b": 179
  },
  "hsl": {
    "h": 213.699,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49787,
    "c": 0.14521,
    "h": 256.5
  },
  "luminance": 0.12127
}

Semantic roles & 50–950 ramp

primary

#2161B3

secondary

#CA9E66

accent

#9F3CEC

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2161B3

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

Preview Lab → · Contrast checker → · Palette generator →