#21477C#21477C

#21477C is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.9% C 0.100 H 257.2°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#21477C
RGB	rgb(33, 71, 124)
HSL	hsl(215, 58%, 31%)
HSV	hsv(215, 73%, 49%)
CMYK	cmyk(73.4%, 42.7%, 0%, 51.4%)
CIE-LAB	lab(30.12, 5.86, -34.05)
CIE-LCH	lch(30.12, 34.55, 279.77°)
OKLab	oklab(39.92% -0.022 -0.0972)
OKLCH	oklch(39.92% 0.1 257.2)
XYZ	xyz(6.5172, 6.2844, 19.9344)
Luminance	0.0629 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21477C #7C5621

analogous

#21747C #21477C #28217C

triadic

#21477C #7C2147 #477C21

tetradic

#21477C #7C2174 #7C5621 #217C28

square

#21477C #7C2174 #7C5621 #217C28

split-complementary

#21477C #7C2821 #747C21

monochromatic

#07101B #142B4C #21477C #2E63AC #4981CF

Accessibility & contrast

On white

9.30

#21477C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#21477C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21477C

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21477C	#FFFFFF	#000000	##FFFFFF
##21477C	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4B7E

Deuteranopia (green-blind)

#1F437B

Tritanopia (blue-blind)

#00535B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #21477c;
/* rgb */ color: rgb(33, 71, 124);
/* oklch */ color: oklch(39.9% 0.100 257.2);

Tailwind

colors: {
  custom: {
    50: '#6979a2',
    500: '#21477c',
    950: '#000000',
  },
}

SCSS

$custom: #21477c;
$custom-light: #6979a2;
$custom-dark: #000000;

JSON

{
  "hex": "#21477c",
  "rgb": {
    "r": 33,
    "g": 71,
    "b": 124
  },
  "hsl": {
    "h": 214.945,
    "s": 57.962,
    "l": 30.784
  },
  "oklch": {
    "l": 0.39916,
    "c": 0.09965,
    "h": 257.2
  },
  "luminance": 0.06285
}

Semantic roles & 50–950 ramp

primary

#21477C

secondary

#AF854A

accent

#A147E1

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #21477C

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

Preview Lab → · Contrast checker → · Palette generator →