#21757C#21757C

#21757C is a mid, moderate teal. Relative luminance 0.145; OKLCH L 51.7% C 0.078 H 203.2°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#21757C
RGB	rgb(33, 117, 124)
HSL	hsl(185, 58%, 31%)
HSV	hsv(185, 73%, 49%)
CMYK	cmyk(73.4%, 5.6%, 0%, 51.4%)
CIE-LAB	lab(44.94, -21.82, -11.04)
CIE-LCH	lch(44.94, 24.45, 206.83°)
OKLab	oklab(51.7% -0.0714 -0.0306)
OKLCH	oklch(51.7% 0.078 203.2)
XYZ	xyz(10.6250, 14.4999, 21.3037)
Luminance	0.1450 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21757C #7C2821

analogous

#217C55 #21757C #21477C

triadic

#21757C #7C2175 #757C21

tetradic

#21757C #55217C #7C2821 #477C21

square

#21757C #55217C #7C2821 #477C21

split-complementary

#21757C #7C2147 #7C5521

monochromatic

#071A1B #14474C #21757C #2EA3AC #49C4CF

Accessibility & contrast

On white

5.38

#21757C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#21757C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21757C

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21757C	#FFFFFF	#000000	##FFFFFF
##21757C	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B707D

Deuteranopia (green-blind)

#5E667C

Tritanopia (blue-blind)

#007A77

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #21757c;
/* rgb */ color: rgb(33, 117, 124);
/* oklch */ color: oklch(51.7% 0.078 203.2);

Tailwind

colors: {
  custom: {
    50: '#6b9da1',
    500: '#21757c',
    950: '#000000',
  },
}

SCSS

$custom: #21757c;
$custom-light: #6b9da1;
$custom-dark: #000000;

JSON

{
  "hex": "#21757c",
  "rgb": {
    "r": 33,
    "g": 117,
    "b": 124
  },
  "hsl": {
    "h": 184.615,
    "s": 57.962,
    "l": 30.784
  },
  "oklch": {
    "l": 0.51702,
    "c": 0.07772,
    "h": 203.2
  },
  "luminance": 0.14501
}

Semantic roles & 50–950 ramp

primary

#21757C

secondary

#AF524A

accent

#5347E1

background

#F6F9F9

surface

#ECF2F2

border

#C7CCCC

text

#080E0F

muted

#7A7E7E

Preview Lab

Preview with #21757C

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

Preview Lab → · Contrast checker → · Palette generator →