#21407D#21407D

#21407D is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.3% C 0.110 H 262.2°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#21407D
RGB	rgb(33, 64, 125)
HSL	hsl(220, 58%, 31%)
HSV	hsv(220, 74%, 49%)
CMYK	cmyk(73.6%, 48.8%, 0%, 51%)
CIE-LAB	lab(28.03, 11.05, -38.01)
CIE-LCH	lch(28.03, 39.59, 286.21°)
OKLab	oklab(38.33% -0.0148 -0.109)
OKLCH	oklch(38.33% 0.11 262.2)
XYZ	xyz(6.1609, 5.4701, 20.1292)
Luminance	0.0547 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21407D #7D5E21

analogous

#216E7D #21407D #30217D

triadic

#21407D #7D2140 #407D21

tetradic

#21407D #7D216E #7D5E21 #217D30

square

#21407D #7D216E #7D5E21 #217D30

split-complementary

#21407D #7D3021 #6E7D21

monochromatic

#070E1C #14274D #21407D #2E59AD #4976CF

Accessibility & contrast

On white

10.03

#21407D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#21407D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21407D

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21407D	#FFFFFF	#000000	##FFFFFF
##21407D	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20477F

Deuteranopia (green-blind)

#0A3E7C

Tritanopia (blue-blind)

#004E58

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #21407d;
/* rgb */ color: rgb(33, 64, 125);
/* oklch */ color: oklch(38.3% 0.110 262.2);

Tailwind

colors: {
  custom: {
    50: '#6974a3',
    500: '#21407d',
    950: '#000000',
  },
}

SCSS

$custom: #21407d;
$custom-light: #6974a3;
$custom-dark: #000000;

JSON

{
  "hex": "#21407d",
  "rgb": {
    "r": 33,
    "g": 64,
    "b": 125
  },
  "hsl": {
    "h": 219.783,
    "s": 58.228,
    "l": 30.98
  },
  "oklch": {
    "l": 0.38328,
    "c": 0.10998,
    "h": 262.2
  },
  "luminance": 0.05471
}

Semantic roles & 50–950 ramp

primary

#21407D

secondary

#B08E4A

accent

#AD46E1

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #21407D

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

Preview Lab → · Contrast checker → · Palette generator →