#21477E#21477E

#21477E is a dark, moderate blue. Relative luminance 0.063; OKLCH L 40.1% C 0.103 H 257.9°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#21477E
RGB	rgb(33, 71, 126)
HSL	hsl(215, 58%, 31%)
HSV	hsv(215, 74%, 49%)
CMYK	cmyk(73.8%, 43.7%, 0%, 50.6%)
CIE-LAB	lab(30.24, 6.65, -35.10)
CIE-LCH	lch(30.24, 35.72, 280.73°)
OKLab	oklab(40.05% -0.0215 -0.1003)
OKLCH	oklch(40.05% 0.103 257.9)
XYZ	xyz(6.6450, 6.3355, 20.6073)
Luminance	0.0634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21477E #7E5821

analogous

#21757E #21477E #29217E

triadic

#21477E #7E2147 #477E21

tetradic

#21477E #7E2175 #7E5821 #217E29

square

#21477E #7E2175 #7E5821 #217E29

split-complementary

#21477E #7E2921 #757E21

monochromatic

#08101D #142C4E #21477E #2E62AE #4A80D0

Accessibility & contrast

On white

9.26

#21477E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#21477E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21477E

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21477E	#FFFFFF	#000000	##FFFFFF
##21477E	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4C80

Deuteranopia (green-blind)

#1D437D

Tritanopia (blue-blind)

#00545C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #21477e;
/* rgb */ color: rgb(33, 71, 126);
/* oklch */ color: oklch(40.1% 0.103 257.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#21477e",
  "rgb": {
    "r": 33,
    "g": 71,
    "b": 126
  },
  "hsl": {
    "h": 215.484,
    "s": 58.491,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40053,
    "c": 0.10256,
    "h": 257.9
  },
  "luminance": 0.06336
}

Semantic roles & 50–950 ramp

primary

#21477E

secondary

#B1874A

accent

#A246E2

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #21477E

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

Preview Lab → · Contrast checker → · Palette generator →