#1A0F8E#1A0F8E

#1A0F8E is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.4% C 0.188 H 271.2°. Best body text is #FFFFFF at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#1A0F8E
RGB	rgb(26, 15, 142)
HSL	hsl(245, 81%, 31%)
HSV	hsv(245, 89%, 56%)
CMYK	cmyk(81.7%, 89.4%, 0%, 44.3%)
CIE-LAB	lab(17.98, 46.67, -65.15)
CIE-LCH	lch(17.98, 80.14, 305.62°)
OKLab	oklab(31.39% 0.0038 -0.1884)
OKLCH	oklch(31.39% 0.188 271.2)
XYZ	xyz(5.4777, 2.5136, 25.7824)
Luminance	0.0251 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A0F8E #838E0F

analogous

#0F438E #1A0F8E #590F8E

triadic

#1A0F8E #8E1A0F #0F8E1A

tetradic

#1A0F8E #8E0F43 #838E0F #0F8E59

square

#1A0F8E #8E0F43 #838E0F #0F8E59

split-complementary

#1A0F8E #8E590F #438E0F

monochromatic

#06031F #100957 #1A0F8E #2415C5 #3F2EE9

Accessibility & contrast

On white

13.97

#1A0F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#1A0F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A0F8E

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A0F8E	#FFFFFF	#000000	##FFFFFF
##1A0F8E	1.00	13.97	1.50	13.97
#FFFFFF	13.97	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003291

Deuteranopia (green-blind)

#00258C

Tritanopia (blue-blind)

#003B53

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1a0f8e;
/* rgb */ color: rgb(26, 15, 142);
/* oklch */ color: oklch(31.4% 0.188 271.2);

Tailwind

colors: {
  custom: {
    50: '#6f54b1',
    500: '#1a0f8e',
    950: '#000000',
  },
}

SCSS

$custom: #1a0f8e;
$custom-light: #6f54b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a0f8e",
  "rgb": {
    "r": 26,
    "g": 15,
    "b": 142
  },
  "hsl": {
    "h": 245.197,
    "s": 80.892,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31388,
    "c": 0.18843,
    "h": 271.2
  },
  "luminance": 0.02514
}

Semantic roles & 50–950 ramp

primary

#1A0F8E

secondary

#B7C336

accent

#F731E6

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1A0F8E

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

Preview Lab → · Contrast checker → · Palette generator →