#2169B3#2169B3

#2169B3 is a mid, vivid cyan. Relative luminance 0.137; OKLCH L 51.6% C 0.136 H 252.7°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#2169B3
RGB	rgb(33, 105, 179)
HSL	hsl(210, 69%, 42%)
HSV	hsv(210, 82%, 70%)
CMYK	cmyk(81.6%, 41.3%, 0%, 29.8%)
CIE-LAB	lab(43.77, 5.25, -45.43)
CIE-LCH	lch(43.77, 45.73, 276.59°)
OKLab	oklab(51.62% -0.0404 -0.13)
OKLCH	oklch(51.62% 0.136 252.7)
XYZ	xyz(13.8124, 13.6795, 44.5515)
Luminance	0.1368 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2169B3 #B36B21

analogous

#21B2B3 #2169B3 #2221B3

triadic

#2169B3 #B32169 #69B321

tetradic

#2169B3 #B321B2 #B36B21 #21B322

square

#2169B3 #B321B2 #B36B21 #21B322

split-complementary

#2169B3 #B32221 #B2B321

monochromatic

#0E2C4C #174B7F #2169B3 #3787DA #6BA6E4

Accessibility & contrast

On white

5.62

#2169B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#2169B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2169B3

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2169B3	#FFFFFF	#000000	##FFFFFF
##2169B3	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#456FB6

Deuteranopia (green-blind)

#2B61B2

Tritanopia (blue-blind)

#007B85

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #2169b3;
/* rgb */ color: rgb(33, 105, 179);
/* oklch */ color: oklch(51.6% 0.136 252.7);

Tailwind

colors: {
  custom: {
    50: '#7493ca',
    500: '#2169b3',
    950: '#000000',
  },
}

SCSS

$custom: #2169b3;
$custom-light: #7493ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2169b3",
  "rgb": {
    "r": 33,
    "g": 105,
    "b": 179
  },
  "hsl": {
    "h": 210.411,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51615,
    "c": 0.13609,
    "h": 252.7
  },
  "luminance": 0.13681
}

Semantic roles & 50–950 ramp

primary

#2169B3

secondary

#CA9966

accent

#953CEC

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #2169B3

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

Preview Lab → · Contrast checker → · Palette generator →