#2161B0#2161B0

#2161B0 is a mid, vivid cyan. Relative luminance 0.120; OKLCH L 49.6% C 0.141 H 255.9°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#2161B0
RGB	rgb(33, 97, 176)
HSL	hsl(213, 68%, 41%)
HSV	hsv(213, 81%, 69%)
CMYK	cmyk(81.3%, 44.9%, 0%, 31%)
CIE-LAB	lab(41.23, 9.20, -47.74)
CIE-LCH	lch(41.23, 48.62, 280.90°)
OKLab	oklab(49.58% -0.0344 -0.1369)
OKLCH	oklch(49.58% 0.141 255.9)
XYZ	xyz(12.7355, 12.0058, 42.7120)
Luminance	0.1201 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2161B0 #B07021

analogous

#21A8B0 #2161B0 #2921B0

triadic

#2161B0 #B02161 #61B021

tetradic

#2161B0 #B021A8 #B07021 #21B029

square

#2161B0 #B021A8 #B07021 #21B029

split-complementary

#2161B0 #B02921 #A8B021

monochromatic

#0E2849 #17457C #2161B0 #357ED9 #699FE3

Accessibility & contrast

On white

6.17

#2161B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#2161B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2161B0

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2161B0	#FFFFFF	#000000	##FFFFFF
##2161B0	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3868B3

Deuteranopia (green-blind)

#195BAE

Tritanopia (blue-blind)

#007480

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #2161b0;
/* rgb */ color: rgb(33, 97, 176);
/* oklch */ color: oklch(49.6% 0.141 255.9);

Tailwind

colors: {
  custom: {
    50: '#748dc8',
    500: '#2161b0',
    950: '#000000',
  },
}

SCSS

$custom: #2161b0;
$custom-light: #748dc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2161b0",
  "rgb": {
    "r": 33,
    "g": 97,
    "b": 176
  },
  "hsl": {
    "h": 213.147,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.49578,
    "c": 0.14119,
    "h": 255.9
  },
  "luminance": 0.12007
}

Semantic roles & 50–950 ramp

primary

#2161B0

secondary

#C89C64

accent

#9D3DEB

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2161B0

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

Preview Lab → · Contrast checker → · Palette generator →