#21757D#21757D

#21757D is a mid, moderate teal. Relative luminance 0.145; OKLCH L 51.7% C 0.078 H 204.4°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#21757D
RGB	rgb(33, 117, 125)
HSL	hsl(185, 58%, 31%)
HSV	hsv(185, 74%, 49%)
CMYK	cmyk(73.6%, 6.4%, 0%, 51%)
CIE-LAB	lab(44.98, -21.49, -11.58)
CIE-LCH	lch(44.98, 24.41, 208.32°)
OKLab	oklab(51.74% -0.071 -0.0322)
OKLCH	oklch(51.74% 0.078 204.4)
XYZ	xyz(10.6885, 14.5253, 21.6384)
Luminance	0.1453 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21757D #7D2921

analogous

#217D57 #21757D #21477D

triadic

#21757D #7D2175 #757D21

tetradic

#21757D #57217D #7D2921 #477D21

square

#21757D #57217D #7D2921 #477D21

split-complementary

#21757D #7D2147 #7D5721

monochromatic

#071A1C #14484D #21757D #2EA2AD #49C3CF

Accessibility & contrast

On white

5.38

#21757D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#21757D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21757D

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21757D	#FFFFFF	#000000	##FFFFFF
##21757D	1.00	5.38	3.91	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B707E

Deuteranopia (green-blind)

#5E667D

Tritanopia (blue-blind)

#007A77

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #21757d;
/* rgb */ color: rgb(33, 117, 125);
/* oklch */ color: oklch(51.7% 0.078 204.4);

Tailwind

colors: {
  custom: {
    50: '#6b9da2',
    500: '#21757d',
    950: '#000000',
  },
}

SCSS

$custom: #21757d;
$custom-light: #6b9da2;
$custom-dark: #000000;

JSON

{
  "hex": "#21757d",
  "rgb": {
    "r": 33,
    "g": 117,
    "b": 125
  },
  "hsl": {
    "h": 185.217,
    "s": 58.228,
    "l": 30.98
  },
  "oklch": {
    "l": 0.51742,
    "c": 0.07792,
    "h": 204.4
  },
  "luminance": 0.14527
}

Semantic roles & 50–950 ramp

primary

#21757D

secondary

#B0534A

accent

#5446E1

background

#F6F9F9

surface

#ECF2F2

border

#C7CCCC

text

#080E0F

muted

#7A7E7E

Preview Lab

Preview with #21757D

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

Preview Lab → · Contrast checker → · Palette generator →