#281F67#281F67

#281F67 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.0% C 0.120 H 282.0°. Best body text is #FFFFFF at 14.17:1 contrast (WCAG AA passes).

Color values

HEX	#281F67
RGB	rgb(40, 31, 103)
HSL	hsl(248, 54%, 26%)
HSV	hsv(248, 70%, 40%)
CMYK	cmyk(61.2%, 69.9%, 0%, 59.6%)
CIE-LAB	lab(17.51, 26.73, -40.95)
CIE-LCH	lch(17.51, 48.90, 303.14°)
OKLab	oklab(30.02% 0.0251 -0.1178)
OKLCH	oklch(30.02% 0.12 282)
XYZ	xyz(3.8125, 2.4101, 13.0936)
Luminance	0.0241 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281F67 #5E671F

analogous

#1F3A67 #281F67 #4C1F67

triadic

#281F67 #67281F #1F6728

tetradic

#281F67 #671F3A #5E671F #1F674C

square

#281F67 #671F3A #5E671F #1F674C

split-complementary

#281F67 #674C1F #3A671F

monochromatic

#090718 #161138 #281F67 #3A2D96 #4D3CC4

Accessibility & contrast

On white

14.17

#281F67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#281F67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281F67

14.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281F67	#FFFFFF	#000000	##FFFFFF
##281F67	1.00	14.17	1.48	14.17
#FFFFFF	14.17	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D69

Deuteranopia (green-blind)

#002866

Tritanopia (blue-blind)

#043140

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #281f67;
/* rgb */ color: rgb(40, 31, 103);
/* oklch */ color: oklch(30.0% 0.120 282.0);

Tailwind

colors: {
  custom: {
    50: '#6a5b93',
    500: '#281f67',
    950: '#000000',
  },
}

SCSS

$custom: #281f67;
$custom-light: #6a5b93;
$custom-dark: #000000;

JSON

{
  "hex": "#281f67",
  "rgb": {
    "r": 40,
    "g": 31,
    "b": 103
  },
  "hsl": {
    "h": 247.5,
    "s": 53.731,
    "l": 26.275
  },
  "oklch": {
    "l": 0.30018,
    "c": 0.12044,
    "h": 282
  },
  "luminance": 0.0241
}

Semantic roles & 50–950 ramp

primary

#281F67

secondary

#919B46

accent

#DD4BCB

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#07040D

muted

#7A797E

Preview Lab

Preview with #281F67

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

Preview Lab → · Contrast checker → · Palette generator →