#21427D#21427D

#21427D is a dark, moderate blue. Relative luminance 0.057; OKLCH L 38.8% C 0.107 H 261.0°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#21427D
RGB	rgb(33, 66, 125)
HSL	hsl(218, 58%, 31%)
HSV	hsv(218, 74%, 49%)
CMYK	cmyk(73.6%, 47.2%, 0%, 51%)
CIE-LAB	lab(28.64, 9.67, -37.04)
CIE-LCH	lch(28.64, 38.28, 284.63°)
OKLab	oklab(38.8% -0.0168 -0.1061)
OKLCH	oklch(38.8% 0.107 261)
XYZ	xyz(6.2758, 5.6998, 20.1675)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21427D #7D5C21

analogous

#21707D #21427D #2E217D

triadic

#21427D #7D2142 #427D21

tetradic

#21427D #7D2170 #7D5C21 #217D2E

square

#21427D #7D2170 #7D5C21 #217D2E

split-complementary

#21427D #7D2E21 #707D21

monochromatic

#070F1C #14284D #21427D #2E5CAD #4979CF

Accessibility & contrast

On white

9.81

#21427D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#21427D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21427D

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21427D	#FFFFFF	#000000	##FFFFFF
##21427D	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24487F

Deuteranopia (green-blind)

#11407C

Tritanopia (blue-blind)

#005059

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #21427d;
/* rgb */ color: rgb(33, 66, 125);
/* oklch */ color: oklch(38.8% 0.107 261.0);

Tailwind

colors: {
  custom: {
    50: '#6975a3',
    500: '#21427d',
    950: '#000000',
  },
}

SCSS

$custom: #21427d;
$custom-light: #6975a3;
$custom-dark: #000000;

JSON

{
  "hex": "#21427d",
  "rgb": {
    "r": 33,
    "g": 66,
    "b": 125
  },
  "hsl": {
    "h": 218.478,
    "s": 58.228,
    "l": 30.98
  },
  "oklch": {
    "l": 0.38795,
    "c": 0.10738,
    "h": 261
  },
  "luminance": 0.057
}

Semantic roles & 50–950 ramp

primary

#21427D

secondary

#B08B4A

accent

#AA46E1

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #21427D

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

Preview Lab → · Contrast checker → · Palette generator →