#1A1F7A#1A1F7A

#1A1F7A is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.0% C 0.150 H 271.3°. Best body text is #FFFFFF at 13.81:1 contrast (WCAG AA passes).

Color values

HEX	#1A1F7A
RGB	rgb(26, 31, 122)
HSL	hsl(237, 65%, 29%)
HSV	hsv(237, 79%, 48%)
CMYK	cmyk(78.7%, 74.6%, 0%, 52.2%)
CIE-LAB	lab(18.38, 31.70, -51.85)
CIE-LCH	lch(18.38, 60.77, 301.44°)
OKLab	oklab(30.96% 0.0034 -0.1501)
OKLCH	oklch(30.96% 0.15 271.3)
XYZ	xyz(4.4276, 2.6042, 18.6779)
Luminance	0.0261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1F7A #7A751A

analogous

#1A4F7A #1A1F7A #451A7A

triadic

#1A1F7A #7A1A1F #1F7A1A

tetradic

#1A1F7A #7A1A4F #7A751A #1A7A45

square

#1A1F7A #7A1A4F #7A751A #1A7A45

split-complementary

#1A1F7A #7A451A #4F7A1A

monochromatic

#050619 #0F1248 #1A1F7A #252CAC #3942D5

Accessibility & contrast

On white

13.81

#1A1F7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1A1F7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1F7A

13.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1F7A	#FFFFFF	#000000	##FFFFFF
##1A1F7A	1.00	13.81	1.52	13.81
#FFFFFF	13.81	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317D

Deuteranopia (green-blind)

#002878

Tritanopia (blue-blind)

#00394A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1a1f7a;
/* rgb */ color: rgb(26, 31, 122);
/* oklch */ color: oklch(31.0% 0.150 271.3);

Tailwind

colors: {
  custom: {
    50: '#685ba1',
    500: '#1a1f7a',
    950: '#000000',
  },
}

SCSS

$custom: #1a1f7a;
$custom-light: #685ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1f7a",
  "rgb": {
    "r": 26,
    "g": 31,
    "b": 122
  },
  "hsl": {
    "h": 236.875,
    "s": 64.865,
    "l": 29.02
  },
  "oklch": {
    "l": 0.30963,
    "c": 0.15012,
    "h": 271.3
  },
  "luminance": 0.02605
}

Semantic roles & 50–950 ramp

primary

#1A1F7A

secondary

#AEA941

accent

#DF40E8

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1A1F7A

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

Preview Lab → · Contrast checker → · Palette generator →