#284271#284271

#284271 is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.3% C 0.087 H 261.4°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#284271
RGB	rgb(40, 66, 113)
HSL	hsl(219, 48%, 30%)
HSV	hsv(219, 65%, 44%)
CMYK	cmyk(64.6%, 41.6%, 0%, 55.7%)
CIE-LAB	lab(28.22, 6.28, -30.14)
CIE-LCH	lch(28.22, 30.78, 281.78°)
OKLab	oklab(38.32% -0.013 -0.0857)
OKLCH	oklch(38.32% 0.087 261.4)
XYZ	xyz(5.8029, 5.5393, 16.3830)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284271 #715728

analogous

#286671 #284271 #332871

triadic

#284271 #712842 #427128

tetradic

#284271 #712866 #715728 #287133

square

#284271 #712866 #715728 #287133

split-complementary

#284271 #713328 #667128

monochromatic

#080D17 #182844 #284271 #385C9E #527AC2

Accessibility & contrast

On white

9.96

#284271 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#284271 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284271

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284271	#FFFFFF	#000000	##FFFFFF
##284271	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4673

Deuteranopia (green-blind)

#233F70

Tritanopia (blue-blind)

#004D54

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #284271;
/* rgb */ color: rgb(40, 66, 113);
/* oklch */ color: oklch(38.3% 0.087 261.4);

Tailwind

colors: {
  custom: {
    50: '#69769a',
    500: '#284271',
    950: '#000000',
  },
}

SCSS

$custom: #284271;
$custom-light: #69769a;
$custom-dark: #000000;

JSON

{
  "hex": "#284271",
  "rgb": {
    "r": 40,
    "g": 66,
    "b": 113
  },
  "hsl": {
    "h": 218.63,
    "s": 47.712,
    "l": 30
  },
  "oklch": {
    "l": 0.38315,
    "c": 0.08665,
    "h": 261.4
  },
  "luminance": 0.0554
}

Semantic roles & 50–950 ramp

primary

#284271

secondary

#A38652

accent

#A750D7

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #284271

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

Preview Lab → · Contrast checker → · Palette generator →