#2170AF#2170AF

#2170AF is a mid, vivid cyan. Relative luminance 0.150; OKLCH L 53.0% C 0.124 H 247.4°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#2170AF
RGB	rgb(33, 112, 175)
HSL	hsl(207, 68%, 41%)
HSV	hsv(207, 81%, 69%)
CMYK	cmyk(81.1%, 36%, 0%, 31.4%)
CIE-LAB	lab(45.64, -0.66, -40.11)
CIE-LCH	lch(45.64, 40.12, 269.06°)
OKLab	oklab(53.01% -0.0474 -0.1143)
OKLCH	oklch(53.01% 0.124 247.4)
XYZ	xyz(14.1563, 15.0051, 42.6993)
Luminance	0.1501 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2170AF #AF6021

analogous

#21AFA7 #2170AF #2129AF

triadic

#2170AF #AF2170 #70AF21

tetradic

#2170AF #A721AF #AF6021 #29AF21

square

#2170AF #A721AF #AF6021 #29AF21

split-complementary

#2170AF #AF2129 #AFA721

monochromatic

#0E2E48 #174F7C #2170AF #3490D9 #68ACE3

Accessibility & contrast

On white

5.25

#2170AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#2170AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2170AF

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2170AF	#FFFFFF	#000000	##FFFFFF
##2170AF	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5273B2

Deuteranopia (green-blind)

#3D66AE

Tritanopia (blue-blind)

#007F87

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #2170af;
/* rgb */ color: rgb(33, 112, 175);
/* oklch */ color: oklch(53.0% 0.124 247.4);

Tailwind

colors: {
  custom: {
    50: '#7498c7',
    500: '#2170af',
    950: '#000000',
  },
}

SCSS

$custom: #2170af;
$custom-light: #7498c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2170af",
  "rgb": {
    "r": 33,
    "g": 112,
    "b": 175
  },
  "hsl": {
    "h": 206.62,
    "s": 68.269,
    "l": 40.784
  },
  "oklch": {
    "l": 0.53008,
    "c": 0.12372,
    "h": 247.4
  },
  "luminance": 0.15007
}

Semantic roles & 50–950 ramp

primary

#2170AF

secondary

#C89064

accent

#8A3DEB

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#090D13

muted

#7B7E82

Preview Lab

Preview with #2170AF

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

Preview Lab → · Contrast checker → · Palette generator →