#2170A5#2170A5

#2170A5 is a mid, moderate cyan. Relative luminance 0.146; OKLCH L 52.4% C 0.112 H 243.2°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#2170A5
RGB	rgb(33, 112, 165)
HSL	hsl(204, 67%, 39%)
HSV	hsv(204, 80%, 65%)
CMYK	cmyk(80%, 32.1%, 0%, 35.3%)
CIE-LAB	lab(45.12, -4.45, -35.08)
CIE-LCH	lch(45.12, 35.36, 262.78°)
OKLab	oklab(52.43% -0.0504 -0.0996)
OKLCH	oklch(52.43% 0.112 243.2)
XYZ	xyz(13.2102, 14.6267, 37.7170)
Luminance	0.1463 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2170A5 #A55621

analogous

#21A598 #2170A5 #212EA5

triadic

#2170A5 #A52170 #70A521

tetradic

#2170A5 #9821A5 #A55621 #2EA521

square

#2170A5 #9821A5 #A55621 #2EA521

split-complementary

#2170A5 #A5212E #A59821

monochromatic

#0D2B3F #174D72 #2170A5 #2E92D5 #61ADDF

Accessibility & contrast

On white

5.35

#2170A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#2170A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2170A5

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2170A5	#FFFFFF	#000000	##FFFFFF
##2170A5	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5771A7

Deuteranopia (green-blind)

#4565A4

Tritanopia (blue-blind)

#007D83

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #2170a5;
/* rgb */ color: rgb(33, 112, 165);
/* oklch */ color: oklch(52.4% 0.112 243.2);

Tailwind

colors: {
  custom: {
    50: '#7298c0',
    500: '#2170a5',
    950: '#000000',
  },
}

SCSS

$custom: #2170a5;
$custom-light: #7298c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2170a5",
  "rgb": {
    "r": 33,
    "g": 112,
    "b": 165
  },
  "hsl": {
    "h": 204.091,
    "s": 66.667,
    "l": 38.824
  },
  "oklch": {
    "l": 0.52425,
    "c": 0.11159,
    "h": 243.2
  },
  "luminance": 0.14628
}

Semantic roles & 50–950 ramp

primary

#2170A5

secondary

#C4875E

accent

#833EEA

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #2170A5

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

Preview Lab → · Contrast checker → · Palette generator →