#21657C#21657C

#21657C is a mid, moderate cyan. Relative luminance 0.111; OKLCH L 47.5% C 0.076 H 224.5°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#21657C
RGB	rgb(33, 101, 124)
HSL	hsl(195, 58%, 31%)
HSV	hsv(195, 73%, 49%)
CMYK	cmyk(73.4%, 18.5%, 0%, 51.4%)
CIE-LAB	lab(39.72, -12.99, -18.99)
CIE-LCH	lch(39.72, 23.01, 235.63°)
OKLab	oklab(47.5% -0.054 -0.0531)
OKLCH	oklch(47.5% 0.076 224.5)
XYZ	xyz(8.9175, 11.0849, 20.7345)
Luminance	0.1109 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21657C #7C3821

analogous

#217C65 #21657C #21377C

triadic

#21657C #7C2165 #657C21

tetradic

#21657C #65217C #7C3821 #377C21

square

#21657C #65217C #7C3821 #377C21

split-complementary

#21657C #7C2137 #7C6521

monochromatic

#07161B #143E4C #21657C #2E8CAC #49ADCF

Accessibility & contrast

On white

6.53

#21657C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#21657C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21657C

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21657C	#FFFFFF	#000000	##FFFFFF
##21657C	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58637D

Deuteranopia (green-blind)

#4C5A7C

Tritanopia (blue-blind)

#006C6C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #21657c;
/* rgb */ color: rgb(33, 101, 124);
/* oklch */ color: oklch(47.5% 0.076 224.5);

Tailwind

colors: {
  custom: {
    50: '#6a91a2',
    500: '#21657c',
    950: '#000000',
  },
}

SCSS

$custom: #21657c;
$custom-light: #6a91a2;
$custom-dark: #000000;

JSON

{
  "hex": "#21657c",
  "rgb": {
    "r": 33,
    "g": 101,
    "b": 124
  },
  "hsl": {
    "h": 195.165,
    "s": 57.962,
    "l": 30.784
  },
  "oklch": {
    "l": 0.47501,
    "c": 0.07575,
    "h": 224.5
  },
  "luminance": 0.11086
}

Semantic roles & 50–950 ramp

primary

#21657C

secondary

#AF634A

accent

#6E47E1

background

#F6F8F9

surface

#ECF0F2

border

#C7CBCC

text

#070C0F

muted

#7A7D7E

Preview Lab

Preview with #21657C

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

Preview Lab → · Contrast checker → · Palette generator →