#1A1F7B#1A1F7B

#1A1F7B is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.1% C 0.151 H 271.2°. Best body text is #FFFFFF at 13.76:1 contrast (WCAG AA passes).

Color values

HEX	#1A1F7B
RGB	rgb(26, 31, 123)
HSL	hsl(237, 65%, 29%)
HSV	hsv(237, 79%, 48%)
CMYK	cmyk(78.9%, 74.8%, 0%, 51.8%)
CIE-LAB	lab(18.49, 32.07, -52.30)
CIE-LCH	lch(18.49, 61.35, 301.51°)
OKLab	oklab(31.07% 0.0032 -0.1514)
OKLCH	oklch(31.07% 0.151 271.2)
XYZ	xyz(4.4899, 2.6292, 19.0059)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1F7B #7B761A

analogous

#1A507B #1A1F7B #461A7B

triadic

#1A1F7B #7B1A1F #1F7B1A

tetradic

#1A1F7B #7B1A50 #7B761A #1A7B46

square

#1A1F7B #7B1A50 #7B761A #1A7B46

split-complementary

#1A1F7B #7B461A #507B1A

monochromatic

#050619 #0F1248 #1A1F7B #252CAE #3A42D5

Accessibility & contrast

On white

13.76

#1A1F7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1A1F7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1F7B

13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1F7B	#FFFFFF	#000000	##FFFFFF
##1A1F7B	1.00	13.76	1.53	13.76
#FFFFFF	13.76	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327E

Deuteranopia (green-blind)

#002879

Tritanopia (blue-blind)

#00394B

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1a1f7b;
/* rgb */ color: rgb(26, 31, 123);
/* oklch */ color: oklch(31.1% 0.151 271.2);

Tailwind

colors: {
  custom: {
    50: '#695ba2',
    500: '#1a1f7b',
    950: '#000000',
  },
}

SCSS

$custom: #1a1f7b;
$custom-light: #695ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1f7b",
  "rgb": {
    "r": 26,
    "g": 31,
    "b": 123
  },
  "hsl": {
    "h": 236.907,
    "s": 65.101,
    "l": 29.216
  },
  "oklch": {
    "l": 0.31074,
    "c": 0.15144,
    "h": 271.2
  },
  "luminance": 0.0263
}

Semantic roles & 50–950 ramp

primary

#1A1F7B

secondary

#AFAA42

accent

#DF40E8

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1A1F7B

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

Preview Lab → · Contrast checker → · Palette generator →