#281A6F#281A6F

#281A6F is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.0% C 0.138 H 281.7°. Best body text is #FFFFFF at 14.31:1 contrast (WCAG AA passes).

Color values

HEX	#281A6F
RGB	rgb(40, 26, 111)
HSL	hsl(250, 62%, 27%)
HSV	hsv(250, 77%, 44%)
CMYK	cmyk(64%, 76.6%, 0%, 56.5%)
CIE-LAB	lab(17.17, 32.58, -46.73)
CIE-LCH	lch(17.17, 56.96, 304.89°)
OKLab	oklab(30.02% 0.028 -0.1347)
OKLCH	oklch(30.02% 0.138 281.7)
XYZ	xyz(4.1128, 2.3373, 15.2703)
Luminance	0.0234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281A6F #616F1A

analogous

#1A376F #281A6F #531A6F

triadic

#281A6F #6F281A #1A6F28

tetradic

#281A6F #6F1A37 #616F1A #1A6F53

square

#281A6F #6F1A37 #616F1A #1A6F53

split-complementary

#281A6F #6F531A #376F1A

monochromatic

#090619 #160E3D #281A6F #3A26A1 #4E34CF

Accessibility & contrast

On white

14.31

#281A6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#281A6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281A6F

14.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281A6F	#FFFFFF	#000000	##FFFFFF
##281A6F	1.00	14.31	1.47	14.31
#FFFFFF	14.31	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D71

Deuteranopia (green-blind)

#00276D

Tritanopia (blue-blind)

#003243

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #281a6f;
/* rgb */ color: rgb(40, 26, 111);
/* oklch */ color: oklch(30.0% 0.138 281.7);

Tailwind

colors: {
  custom: {
    50: '#6c5899',
    500: '#281a6f',
    950: '#000000',
  },
}

SCSS

$custom: #281a6f;
$custom-light: #6c5899;
$custom-dark: #000000;

JSON

{
  "hex": "#281a6f",
  "rgb": {
    "r": 40,
    "g": 26,
    "b": 111
  },
  "hsl": {
    "h": 249.882,
    "s": 62.044,
    "l": 26.863
  },
  "oklch": {
    "l": 0.30016,
    "c": 0.1376,
    "h": 281.7
  },
  "luminance": 0.02338
}

Semantic roles & 50–950 ramp

primary

#281A6F

secondary

#94A441

accent

#E543CA

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#08030E

muted

#7A787E

Preview Lab

Preview with #281A6F

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

Preview Lab → · Contrast checker → · Palette generator →