#21497C#21497C

#21497C is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 40.4% C 0.097 H 255.7°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#21497C
RGB	rgb(33, 73, 124)
HSL	hsl(214, 58%, 31%)
HSV	hsv(214, 73%, 49%)
CMYK	cmyk(73.4%, 41.1%, 0%, 51.4%)
CIE-LAB	lab(30.74, 4.52, -33.06)
CIE-LCH	lch(30.74, 33.36, 277.78°)
OKLab	oklab(40.4% -0.024 -0.0942)
OKLCH	oklch(40.4% 0.097 255.7)
XYZ	xyz(6.6465, 6.5429, 19.9775)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21497C #7C5421

analogous

#21767C #21497C #26217C

triadic

#21497C #7C2149 #497C21

tetradic

#21497C #7C2176 #7C5421 #217C26

square

#21497C #7C2176 #7C5421 #217C26

split-complementary

#21497C #7C2621 #767C21

monochromatic

#07101B #142D4C #21497C #2E65AC #4984CF

Accessibility & contrast

On white

9.10

#21497C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#21497C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21497C

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21497C	#FFFFFF	#000000	##FFFFFF
##21497C	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314D7E

Deuteranopia (green-blind)

#23447B

Tritanopia (blue-blind)

#00555C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #21497c;
/* rgb */ color: rgb(33, 73, 124);
/* oklch */ color: oklch(40.4% 0.097 255.7);

Tailwind

colors: {
  custom: {
    50: '#697ba2',
    500: '#21497c',
    950: '#000000',
  },
}

SCSS

$custom: #21497c;
$custom-light: #697ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#21497c",
  "rgb": {
    "r": 33,
    "g": 73,
    "b": 124
  },
  "hsl": {
    "h": 213.626,
    "s": 57.962,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40401,
    "c": 0.09726,
    "h": 255.7
  },
  "luminance": 0.06544
}

Semantic roles & 50–950 ramp

primary

#21497C

secondary

#AF824A

accent

#9D47E1

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #21497C

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

Preview Lab → · Contrast checker → · Palette generator →