#21838F#21838F

#21838F is a mid, moderate teal. Relative luminance 0.185; OKLCH L 56.1% C 0.087 H 207.3°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#21838F
RGB	rgb(33, 131, 143)
HSL	hsl(187, 63%, 35%)
HSV	hsv(187, 77%, 56%)
CMYK	cmyk(76.9%, 8.4%, 0%, 43.9%)
CIE-LAB	lab(50.14, -22.94, -14.40)
CIE-LCH	lch(50.14, 27.08, 212.12°)
OKLab	oklab(56.13% -0.0777 -0.0401)
OKLCH	oklch(56.13% 0.087 207.3)
XYZ	xyz(13.6993, 18.5374, 28.8374)
Luminance	0.1854 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21838F #8F2D21

analogous

#218F64 #21838F #214C8F

triadic

#21838F #8F2183 #838F21

tetradic

#21838F #64218F #8F2D21 #4C8F21

square

#21838F #64218F #8F2D21 #4C8F21

split-complementary

#21838F #8F214C #8F6421

monochromatic

#0A282C #16555D #21838F #2CB1C1 #53C9D7

Accessibility & contrast

On white

4.46

#21838F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#21838F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21838F

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21838F	#FFFFFF	#000000	##000000
##21838F	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#777E90

Deuteranopia (green-blind)

#68738F

Tritanopia (blue-blind)

#008987

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #21838f;
/* rgb */ color: rgb(33, 131, 143);
/* oklch */ color: oklch(56.1% 0.087 207.3);

Tailwind

colors: {
  custom: {
    50: '#6fa7af',
    500: '#21838f',
    950: '#000000',
  },
}

SCSS

$custom: #21838f;
$custom-light: #6fa7af;
$custom-dark: #000000;

JSON

{
  "hex": "#21838f",
  "rgb": {
    "r": 33,
    "g": 131,
    "b": 143
  },
  "hsl": {
    "h": 186.545,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.56131,
    "c": 0.08742,
    "h": 207.3
  },
  "luminance": 0.18539
}

Semantic roles & 50–950 ramp

primary

#21838F

secondary

#BB5C51

accent

#5442E6

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #21838F

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

Preview Lab → · Contrast checker → · Palette generator →