#1A1F7D#1A1F7D

#1A1F7D is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.3% C 0.154 H 271.1°. Best body text is #FFFFFF at 13.67:1 contrast (WCAG AA passes).

Color values

HEX	#1A1F7D
RGB	rgb(26, 31, 125)
HSL	hsl(237, 66%, 30%)
HSV	hsv(237, 79%, 49%)
CMYK	cmyk(79.2%, 75.2%, 0%, 51%)
CIE-LAB	lab(18.71, 32.80, -53.21)
CIE-LCH	lch(18.71, 62.51, 301.65°)
OKLab	oklab(31.3% 0.0029 -0.1541)
OKLCH	oklch(31.3% 0.154 271.1)
XYZ	xyz(4.6164, 2.6798, 19.6720)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1F7D #7D781A

analogous

#1A507D #1A1F7D #471A7D

triadic

#1A1F7D #7D1A1F #1F7D1A

tetradic

#1A1F7D #7D1A50 #7D781A #1A7D47

square

#1A1F7D #7D1A50 #7D781A #1A7D47

split-complementary

#1A1F7D #7D471A #507D1A

monochromatic

#050619 #0F124A #1A1F7D #252CB0 #3B43D6

Accessibility & contrast

On white

13.67

#1A1F7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1A1F7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1F7D

13.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1F7D	#FFFFFF	#000000	##FFFFFF
##1A1F7D	1.00	13.67	1.54	13.67
#FFFFFF	13.67	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003280

Deuteranopia (green-blind)

#00297B

Tritanopia (blue-blind)

#003A4C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1a1f7d;
/* rgb */ color: rgb(26, 31, 125);
/* oklch */ color: oklch(31.3% 0.154 271.1);

Tailwind

colors: {
  custom: {
    50: '#695ba4',
    500: '#1a1f7d',
    950: '#000000',
  },
}

SCSS

$custom: #1a1f7d;
$custom-light: #695ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1f7d",
  "rgb": {
    "r": 26,
    "g": 31,
    "b": 125
  },
  "hsl": {
    "h": 236.97,
    "s": 65.563,
    "l": 29.608
  },
  "oklch": {
    "l": 0.31297,
    "c": 0.1541,
    "h": 271.1
  },
  "luminance": 0.0268
}

Semantic roles & 50–950 ramp

primary

#1A1F7D

secondary

#B1AB42

accent

#E03FE9

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1A1F7D

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

Preview Lab → · Contrast checker → · Palette generator →