#2171AF#2171AF

#2171AF is a mid, vivid cyan. Relative luminance 0.152; OKLCH L 53.2% C 0.123 H 246.8°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#2171AF
RGB	rgb(33, 113, 175)
HSL	hsl(206, 68%, 41%)
HSV	hsv(206, 81%, 69%)
CMYK	cmyk(81.1%, 35.4%, 0%, 31.4%)
CIE-LAB	lab(45.94, -1.27, -39.63)
CIE-LCH	lch(45.94, 39.66, 268.16°)
OKLab	oklab(53.25% -0.0483 -0.1128)
OKLCH	oklch(53.25% 0.123 246.8)
XYZ	xyz(14.2672, 15.2270, 42.7363)
Luminance	0.1523 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2171AF #AF5F21

analogous

#21AFA6 #2171AF #212AAF

triadic

#2171AF #AF2171 #71AF21

tetradic

#2171AF #A621AF #AF5F21 #2AAF21

square

#2171AF #A621AF #AF5F21 #2AAF21

split-complementary

#2171AF #AF212A #AFA621

monochromatic

#0E2F48 #17507C #2171AF #3491D9 #68ADE3

Accessibility & contrast

On white

5.19

#2171AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#2171AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2171AF

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2171AF	#FFFFFF	#000000	##FFFFFF
##2171AF	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5474B2

Deuteranopia (green-blind)

#3F67AE

Tritanopia (blue-blind)

#008088

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #2171af;
/* rgb */ color: rgb(33, 113, 175);
/* oklch */ color: oklch(53.2% 0.123 246.8);

Tailwind

colors: {
  custom: {
    50: '#7499c7',
    500: '#2171af',
    950: '#000000',
  },
}

SCSS

$custom: #2171af;
$custom-light: #7499c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2171af",
  "rgb": {
    "r": 33,
    "g": 113,
    "b": 175
  },
  "hsl": {
    "h": 206.197,
    "s": 68.269,
    "l": 40.784
  },
  "oklch": {
    "l": 0.53246,
    "c": 0.12276,
    "h": 246.8
  },
  "luminance": 0.15229
}

Semantic roles & 50–950 ramp

primary

#2171AF

secondary

#C89064

accent

#893DEB

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #2171AF

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

Preview Lab → · Contrast checker → · Palette generator →