#21709E#21709E

#21709E is a mid, moderate cyan. Relative luminance 0.144; OKLCH L 52.0% C 0.104 H 239.4°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#21709E
RGB	rgb(33, 112, 158)
HSL	hsl(202, 65%, 37%)
HSV	hsv(202, 79%, 62%)
CMYK	cmyk(79.1%, 29.1%, 0%, 38%)
CIE-LAB	lab(44.77, -7.06, -31.51)
CIE-LCH	lch(44.77, 32.29, 257.36°)
OKLab	oklab(52.04% -0.0527 -0.0891)
OKLCH	oklch(52.04% 0.104 239.4)
XYZ	xyz(12.5905, 14.3788, 34.4529)
Luminance	0.1438 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21709E #9E4F21

analogous

#219E8E #21709E #21329E

triadic

#21709E #9E2170 #709E21

tetradic

#21709E #8E219E #9E4F21 #329E21

square

#21709E #8E219E #9E4F21 #329E21

split-complementary

#21709E #9E2132 #9E8E21

monochromatic

#0C2839 #164C6B #21709E #2C94D1 #5CAEDD

Accessibility & contrast

On white

5.42

#21709E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#21709E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21709E

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21709E	#FFFFFF	#000000	##FFFFFF
##21709E	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A70A0

Deuteranopia (green-blind)

#49659D

Tritanopia (blue-blind)

#007C80

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #21709e;
/* rgb */ color: rgb(33, 112, 158);
/* oklch */ color: oklch(52.0% 0.104 239.4);

Tailwind

colors: {
  custom: {
    50: '#7098bb',
    500: '#21709e',
    950: '#000000',
  },
}

SCSS

$custom: #21709e;
$custom-light: #7098bb;
$custom-dark: #000000;

JSON

{
  "hex": "#21709e",
  "rgb": {
    "r": 33,
    "g": 112,
    "b": 158
  },
  "hsl": {
    "h": 202.08,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.52036,
    "c": 0.10354,
    "h": 239.4
  },
  "luminance": 0.1438
}

Semantic roles & 50–950 ramp

primary

#21709E

secondary

#C18059

accent

#7E3FE8

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #21709E

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

Preview Lab → · Contrast checker → · Palette generator →