#21497E#21497E

#21497E is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.5% C 0.100 H 256.4°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#21497E
RGB	rgb(33, 73, 126)
HSL	hsl(214, 58%, 31%)
HSV	hsv(214, 74%, 49%)
CMYK	cmyk(73.8%, 42.1%, 0%, 50.6%)
CIE-LAB	lab(30.86, 5.31, -34.11)
CIE-LCH	lch(30.86, 34.52, 278.84°)
OKLab	oklab(40.53% -0.0236 -0.0973)
OKLCH	oklch(40.53% 0.1 256.4)
XYZ	xyz(6.7743, 6.5940, 20.6504)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21497E #7E5621

analogous

#21777E #21497E #27217E

triadic

#21497E #7E2149 #497E21

tetradic

#21497E #7E2177 #7E5621 #217E27

square

#21497E #7E2177 #7E5621 #217E27

split-complementary

#21497E #7E2721 #777E21

monochromatic

#08111D #142D4E #21497E #2E65AE #4A83D0

Accessibility & contrast

On white

9.06

#21497E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#21497E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21497E

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21497E	#FFFFFF	#000000	##FFFFFF
##21497E	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304D80

Deuteranopia (green-blind)

#21457D

Tritanopia (blue-blind)

#00555D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #21497e;
/* rgb */ color: rgb(33, 73, 126);
/* oklch */ color: oklch(40.5% 0.100 256.4);

Tailwind

colors: {
  custom: {
    50: '#697ba4',
    500: '#21497e',
    950: '#000000',
  },
}

SCSS

$custom: #21497e;
$custom-light: #697ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#21497e",
  "rgb": {
    "r": 33,
    "g": 73,
    "b": 126
  },
  "hsl": {
    "h": 214.194,
    "s": 58.491,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40535,
    "c": 0.10014,
    "h": 256.4
  },
  "luminance": 0.06595
}

Semantic roles & 50–950 ramp

primary

#21497E

secondary

#B1854A

accent

#9F46E2

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #21497E

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

Preview Lab → · Contrast checker → · Palette generator →