#1A0F57#1A0F57

#1A0F57 is a very dark, vivid blue. Relative luminance 0.012; OKLCH L 24.5% C 0.120 H 279.6°. Best body text is #FFFFFF at 16.80:1 contrast (WCAG AA passes).

Color values

HEX	#1A0F57
RGB	rgb(26, 15, 87)
HSL	hsl(249, 71%, 20%)
HSV	hsv(249, 83%, 34%)
CMYK	cmyk(70.1%, 82.8%, 0%, 65.9%)
CIE-LAB	lab(10.92, 28.95, -41.15)
CIE-LCH	lch(10.92, 50.31, 305.13°)
OKLab	oklab(24.48% 0.0202 -0.1188)
OKLCH	oklch(24.48% 0.12 279.6)
XYZ	xyz(2.3166, 1.2492, 9.1340)
Luminance	0.0125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A0F57 #4C570F

analogous

#0F2857 #1A0F57 #3E0F57

triadic

#1A0F57 #571A0F #0F571A

tetradic

#1A0F57 #570F28 #4C570F #0F573E

square

#1A0F57 #570F28 #4C570F #0F573E

split-complementary

#1A0F57 #573E0F #28570F

monochromatic

#08051A #0A0623 #1A0F57 #2A188B #3921BF

Accessibility & contrast

On white

16.80

#1A0F57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#1A0F57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A0F57

16.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A0F57	#FFFFFF	#000000	##FFFFFF
##1A0F57	1.00	16.80	1.25	16.80
#FFFFFF	16.80	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002059

Deuteranopia (green-blind)

#001A56

Tritanopia (blue-blind)

#002432

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #1a0f57;
/* rgb */ color: rgb(26, 15, 87);
/* oklch */ color: oklch(24.5% 0.120 279.6);

Tailwind

colors: {
  custom: {
    50: '#614f87',
    500: '#1a0f57',
    950: '#000000',
  },
}

SCSS

$custom: #1a0f57;
$custom-light: #614f87;
$custom-dark: #000000;

JSON

{
  "hex": "#1a0f57",
  "rgb": {
    "r": 26,
    "g": 15,
    "b": 87
  },
  "hsl": {
    "h": 249.167,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.24482,
    "c": 0.12049,
    "h": 279.6
  },
  "luminance": 0.01249
}

Semantic roles & 50–950 ramp

primary

#1A0F57

secondary

#829131

accent

#ED3AD2

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020B

muted

#7A787C

Preview Lab

Preview with #1A0F57

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

Preview Lab → · Contrast checker → · Palette generator →