#21747E#21747E

#21747E is a mid, moderate teal. Relative luminance 0.143; OKLCH L 51.5% C 0.078 H 206.8°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#21747E
RGB	rgb(33, 116, 126)
HSL	hsl(186, 58%, 31%)
HSV	hsv(186, 74%, 49%)
CMYK	cmyk(73.8%, 7.9%, 0%, 50.6%)
CIE-LAB	lab(44.69, -20.63, -12.62)
CIE-LCH	lch(44.69, 24.18, 211.44°)
OKLab	oklab(51.52% -0.0694 -0.035)
OKLCH	oklch(51.52% 0.078 206.8)
XYZ	xyz(10.6369, 14.3192, 21.9379)
Luminance	0.1432 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21747E #7E2B21

analogous

#217E59 #21747E #21457E

triadic

#21747E #7E2174 #747E21

tetradic

#21747E #59217E #7E2B21 #457E21

square

#21747E #59217E #7E2B21 #457E21

split-complementary

#21747E #7E2145 #7E5921

monochromatic

#081B1D #14474E #21747E #2EA1AE #4AC1D0

Accessibility & contrast

On white

5.43

#21747E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#21747E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21747E

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21747E	#FFFFFF	#000000	##FFFFFF
##21747E	1.00	5.43	3.86	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6F7F

Deuteranopia (green-blind)

#5D667E

Tritanopia (blue-blind)

#007977

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #21747e;
/* rgb */ color: rgb(33, 116, 126);
/* oklch */ color: oklch(51.5% 0.078 206.8);

Tailwind

colors: {
  custom: {
    50: '#6b9ca3',
    500: '#21747e',
    950: '#000000',
  },
}

SCSS

$custom: #21747e;
$custom-light: #6b9ca3;
$custom-dark: #000000;

JSON

{
  "hex": "#21747e",
  "rgb": {
    "r": 33,
    "g": 116,
    "b": 126
  },
  "hsl": {
    "h": 186.452,
    "s": 58.491,
    "l": 31.176
  },
  "oklch": {
    "l": 0.5152,
    "c": 0.07778,
    "h": 206.8
  },
  "luminance": 0.1432
}

Semantic roles & 50–950 ramp

primary

#21747E

secondary

#B1554A

accent

#5746E2

background

#F6F9FA

surface

#ECF2F3

border

#C7CCCD

text

#080E0F

muted

#7A7E7F

Preview Lab

Preview with #21747E

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

Preview Lab → · Contrast checker → · Palette generator →