#21477D#21477D

#21477D is a dark, moderate blue. Relative luminance 0.063; OKLCH L 40.0% C 0.101 H 257.6°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#21477D
RGB	rgb(33, 71, 125)
HSL	hsl(215, 58%, 31%)
HSV	hsv(215, 74%, 49%)
CMYK	cmyk(73.6%, 43.2%, 0%, 51%)
CIE-LAB	lab(30.18, 6.26, -34.57)
CIE-LCH	lch(30.18, 35.14, 280.26°)
OKLab	oklab(39.98% -0.0218 -0.0987)
OKLCH	oklch(39.98% 0.101 257.6)
XYZ	xyz(6.5808, 6.3098, 20.2691)
Luminance	0.0631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21477D #7D5721

analogous

#21757D #21477D #29217D

triadic

#21477D #7D2147 #477D21

tetradic

#21477D #7D2175 #7D5721 #217D29

square

#21477D #7D2175 #7D5721 #217D29

split-complementary

#21477D #7D2921 #757D21

monochromatic

#07101C #142B4D #21477D #2E63AD #4981CF

Accessibility & contrast

On white

9.28

#21477D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#21477D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21477D

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21477D	#FFFFFF	#000000	##FFFFFF
##21477D	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4C7F

Deuteranopia (green-blind)

#1E437C

Tritanopia (blue-blind)

#00545C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #21477d;
/* rgb */ color: rgb(33, 71, 125);
/* oklch */ color: oklch(40.0% 0.101 257.6);

Tailwind

colors: {
  custom: {
    50: '#6979a3',
    500: '#21477d',
    950: '#000000',
  },
}

SCSS

$custom: #21477d;
$custom-light: #6979a3;
$custom-dark: #000000;

JSON

{
  "hex": "#21477d",
  "rgb": {
    "r": 33,
    "g": 71,
    "b": 125
  },
  "hsl": {
    "h": 215.217,
    "s": 58.228,
    "l": 30.98
  },
  "oklch": {
    "l": 0.39984,
    "c": 0.1011,
    "h": 257.6
  },
  "luminance": 0.0631
}

Semantic roles & 50–950 ramp

primary

#21477D

secondary

#B0864A

accent

#A146E1

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #21477D

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

Preview Lab → · Contrast checker → · Palette generator →