#1A0F53#1A0F53

#1A0F53 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 24.0% C 0.115 H 280.7°. Best body text is #FFFFFF at 16.97:1 contrast (WCAG AA passes).

Color values

HEX	#1A0F53
RGB	rgb(26, 15, 83)
HSL	hsl(250, 69%, 19%)
HSV	hsv(250, 82%, 33%)
CMYK	cmyk(68.7%, 81.9%, 0%, 67.5%)
CIE-LAB	lab(10.45, 27.56, -39.19)
CIE-LCH	lch(10.45, 47.91, 305.12°)
OKLab	oklab(24.02% 0.0213 -0.1131)
OKLCH	oklch(24.02% 0.115 280.7)
XYZ	xyz(2.1577, 1.1856, 8.2971)
Luminance	0.0119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A0F53 #48530F

analogous

#0F2653 #1A0F53 #3C0F53

triadic

#1A0F53 #531A0F #0F531A

tetradic

#1A0F53 #530F26 #48530F #0F533C

square

#1A0F53 #530F26 #48530F #0F533C

split-complementary

#1A0F53 #533C0F #26530F

monochromatic

#08051A #0A061F #1A0F53 #2A1887 #3A22BB

Accessibility & contrast

On white

16.97

#1A0F53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#1A0F53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A0F53

16.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A0F53	#FFFFFF	#000000	##FFFFFF
##1A0F53	1.00	16.97	1.24	16.97
#FFFFFF	16.97	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F55

Deuteranopia (green-blind)

#001A52

Tritanopia (blue-blind)

#002330

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #1a0f53;
/* rgb */ color: rgb(26, 15, 83);
/* oklch */ color: oklch(24.0% 0.115 280.7);

Tailwind

colors: {
  custom: {
    50: '#604f84',
    500: '#1a0f53',
    950: '#000000',
  },
}

SCSS

$custom: #1a0f53;
$custom-light: #604f84;
$custom-dark: #000000;

JSON

{
  "hex": "#1a0f53",
  "rgb": {
    "r": 26,
    "g": 15,
    "b": 83
  },
  "hsl": {
    "h": 249.706,
    "s": 69.388,
    "l": 19.216
  },
  "oklch": {
    "l": 0.24016,
    "c": 0.11506,
    "h": 280.7
  },
  "luminance": 0.01186
}

Semantic roles & 50–950 ramp

primary

#1A0F53

secondary

#7E8D31

accent

#EC3CD0

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #1A0F53

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

Preview Lab → · Contrast checker → · Palette generator →