#21858B#21858B

#21858B is a mid, moderate teal. Relative luminance 0.190; OKLCH L 56.5% C 0.087 H 201.1°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#21858B
RGB	rgb(33, 133, 139)
HSL	hsl(183, 62%, 34%)
HSV	hsv(183, 76%, 55%)
CMYK	cmyk(76.3%, 4.3%, 0%, 45.5%)
CIE-LAB	lab(50.64, -25.26, -11.31)
CIE-LCH	lch(50.64, 27.68, 204.12°)
OKLab	oklab(56.49% -0.0816 -0.0314)
OKLCH	oklch(56.49% 0.087 201.1)
XYZ	xyz(13.6728, 18.9608, 27.3603)
Luminance	0.1896 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21858B #8B2721

analogous

#218B5C #21858B #21508B

triadic

#21858B #8B2185 #858B21

tetradic

#21858B #5C218B #8B2721 #508B21

square

#21858B #5C218B #8B2721 #508B21

split-complementary

#21858B #8B2150 #8B5C21

monochromatic

#0A2628 #15565A #21858B #2DB4BC #51CED6

Accessibility & contrast

On white

4.38

#21858B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#21858B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21858B

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21858B	#FFFFFF	#000000	##000000
##21858B	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A7F8C

Deuteranopia (green-blind)

#6C748B

Tritanopia (blue-blind)

#008A87

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #21858b;
/* rgb */ color: rgb(33, 133, 139);
/* oklch */ color: oklch(56.5% 0.087 201.1);

Tailwind

colors: {
  custom: {
    50: '#6fa9ac',
    500: '#21858b',
    950: '#000000',
  },
}

SCSS

$custom: #21858b;
$custom-light: #6fa9ac;
$custom-dark: #000000;

JSON

{
  "hex": "#21858b",
  "rgb": {
    "r": 33,
    "g": 133,
    "b": 139
  },
  "hsl": {
    "h": 183.396,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.56489,
    "c": 0.08741,
    "h": 201.1
  },
  "luminance": 0.18962
}

Semantic roles & 50–950 ramp

primary

#21858B

secondary

#B9554F

accent

#4C43E5

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #21858B

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

Preview Lab → · Contrast checker → · Palette generator →