#21477F#21477F

#21477F is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.1% C 0.104 H 258.2°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#21477F
RGB	rgb(33, 71, 127)
HSL	hsl(216, 59%, 31%)
HSV	hsv(216, 74%, 50%)
CMYK	cmyk(74%, 44.1%, 0%, 50.2%)
CIE-LAB	lab(30.31, 7.05, -35.62)
CIE-LCH	lch(30.31, 36.31, 281.19°)
OKLab	oklab(40.12% -0.0213 -0.1018)
OKLCH	oklch(40.12% 0.104 258.2)
XYZ	xyz(6.7098, 6.3614, 20.9488)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21477F #7F5921

analogous

#21767F #21477F #2A217F

triadic

#21477F #7F2147 #477F21

tetradic

#21477F #7F2176 #7F5921 #217F2A

square

#21477F #7F2176 #7F5921 #217F2A

split-complementary

#21477F #7F2A21 #767F21

monochromatic

#08111E #142C4E #21477F #2E62B0 #4A80D0

Accessibility & contrast

On white

9.24

#21477F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#21477F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21477F

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21477F	#FFFFFF	#000000	##FFFFFF
##21477F	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4C81

Deuteranopia (green-blind)

#1C437E

Tritanopia (blue-blind)

#00545C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #21477f;
/* rgb */ color: rgb(33, 71, 127);
/* oklch */ color: oklch(40.1% 0.104 258.2);

Tailwind

colors: {
  custom: {
    50: '#6979a4',
    500: '#21477f',
    950: '#000000',
  },
}

SCSS

$custom: #21477f;
$custom-light: #6979a4;
$custom-dark: #000000;

JSON

{
  "hex": "#21477f",
  "rgb": {
    "r": 33,
    "g": 71,
    "b": 127
  },
  "hsl": {
    "h": 215.745,
    "s": 58.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40122,
    "c": 0.10402,
    "h": 258.2
  },
  "luminance": 0.06362
}

Semantic roles & 50–950 ramp

primary

#21477F

secondary

#B2884A

accent

#A346E2

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #21477F

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

Preview Lab → · Contrast checker → · Palette generator →