#21698B#21698B

#21698B is a mid, moderate cyan. Relative luminance 0.123; OKLCH L 49.3% C 0.088 H 233.4°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#21698B
RGB	rgb(33, 105, 139)
HSL	hsl(199, 62%, 34%)
HSV	hsv(199, 76%, 55%)
CMYK	cmyk(76.3%, 24.5%, 0%, 45.5%)
CIE-LAB	lab(41.67, -9.92, -25.04)
CIE-LCH	lch(41.67, 26.93, 248.38°)
OKLab	oklab(49.28% -0.0524 -0.0705)
OKLCH	oklch(49.28% 0.088 233.4)
XYZ	xyz(10.3371, 12.2894, 26.2484)
Luminance	0.1229 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21698B #8B4321

analogous

#218B78 #21698B #21348B

triadic

#21698B #8B2169 #698B21

tetradic

#21698B #78218B #8B4321 #348B21

square

#21698B #78218B #8B4321 #348B21

split-complementary

#21698B #8B2134 #8B7821

monochromatic

#0A1E28 #15445A #21698B #2D8EBC #51ABD6

Accessibility & contrast

On white

6.07

#21698B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#21698B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21698B

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21698B	#FFFFFF	#000000	##FFFFFF
##21698B	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58688D

Deuteranopia (green-blind)

#4A5E8A

Tritanopia (blue-blind)

#007274

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #21698b;
/* rgb */ color: rgb(33, 105, 139);
/* oklch */ color: oklch(49.3% 0.088 233.4);

Tailwind

colors: {
  custom: {
    50: '#6c93ad',
    500: '#21698b',
    950: '#000000',
  },
}

SCSS

$custom: #21698b;
$custom-light: #6c93ad;
$custom-dark: #000000;

JSON

{
  "hex": "#21698b",
  "rgb": {
    "r": 33,
    "g": 105,
    "b": 139
  },
  "hsl": {
    "h": 199.245,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.49277,
    "c": 0.08781,
    "h": 233.4
  },
  "luminance": 0.12291
}

Semantic roles & 50–950 ramp

primary

#21698B

secondary

#B9714F

accent

#7743E5

background

#F7F9FA

surface

#EDF1F4

border

#C8CBCE

text

#080D10

muted

#7B7E7F

Preview Lab

Preview with #21698B

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

Preview Lab → · Contrast checker → · Palette generator →