#281A70#281A70

#281A70 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.1% C 0.139 H 281.5°. Best body text is #FFFFFF at 14.27:1 contrast (WCAG AA passes).

Color values

HEX	#281A70
RGB	rgb(40, 26, 112)
HSL	hsl(250, 62%, 27%)
HSV	hsv(250, 77%, 44%)
CMYK	cmyk(64.3%, 76.8%, 0%, 56.1%)
CIE-LAB	lab(17.27, 32.91, -47.20)
CIE-LCH	lch(17.27, 57.55, 304.89°)
OKLab	oklab(30.12% 0.0277 -0.1361)
OKLCH	oklch(30.12% 0.139 281.5)
XYZ	xyz(4.1682, 2.3595, 15.5619)
Luminance	0.0236 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281A70 #62701A

analogous

#1A3770 #281A70 #531A70

triadic

#281A70 #70281A #1A7028

tetradic

#281A70 #701A37 #62701A #1A7053

square

#281A70 #701A37 #62701A #1A7053

split-complementary

#281A70 #70531A #37701A

monochromatic

#090619 #160E3E #281A70 #3A26A2 #4E34D0

Accessibility & contrast

On white

14.27

#281A70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#281A70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281A70

14.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281A70	#FFFFFF	#000000	##FFFFFF
##281A70	1.00	14.27	1.47	14.27
#FFFFFF	14.27	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D73

Deuteranopia (green-blind)

#00276E

Tritanopia (blue-blind)

#003243

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #281a70;
/* rgb */ color: rgb(40, 26, 112);
/* oklch */ color: oklch(30.1% 0.139 281.5);

Tailwind

colors: {
  custom: {
    50: '#6c589a',
    500: '#281a70',
    950: '#000000',
  },
}

SCSS

$custom: #281a70;
$custom-light: #6c589a;
$custom-dark: #000000;

JSON

{
  "hex": "#281a70",
  "rgb": {
    "r": 40,
    "g": 26,
    "b": 112
  },
  "hsl": {
    "h": 249.767,
    "s": 62.319,
    "l": 27.059
  },
  "oklch": {
    "l": 0.30122,
    "c": 0.13891,
    "h": 281.5
  },
  "luminance": 0.0236
}

Semantic roles & 50–950 ramp

primary

#281A70

secondary

#95A541

accent

#E542CB

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#08030E

muted

#7A787E

Preview Lab

Preview with #281A70

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

Preview Lab → · Contrast checker → · Palette generator →