#1A4991#1A4991

#1A4991 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.6% C 0.130 H 259.1°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#1A4991
RGB	rgb(26, 73, 145)
HSL	hsl(216, 70%, 34%)
HSV	hsv(216, 82%, 57%)
CMYK	cmyk(82.1%, 49.7%, 0%, 43.1%)
CIE-LAB	lab(31.87, 12.03, -44.22)
CIE-LCH	lch(31.87, 45.83, 285.21°)
OKLab	oklab(41.65% -0.0246 -0.1272)
OKLCH	oklch(41.65% 0.13 259.1)
XYZ	xyz(7.9175, 7.0281, 27.7218)
Luminance	0.0703 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4991 #91621A

analogous

#1A8491 #1A4991 #271A91

triadic

#1A4991 #911A49 #49911A

tetradic

#1A4991 #911A84 #91621A #1A9127

square

#1A4991 #911A84 #91621A #1A9127

split-complementary

#1A4991 #91271A #84911A

monochromatic

#071529 #112F5D #1A4991 #2363C5 #4783DE

Accessibility & contrast

On white

8.73

#1A4991 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#1A4991 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4991

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4991	#FFFFFF	#000000	##FFFFFF
##1A4991	1.00	8.73	2.41	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F5194

Deuteranopia (green-blind)

#004690

Tritanopia (blue-blind)

#005A66

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1a4991;
/* rgb */ color: rgb(26, 73, 145);
/* oklch */ color: oklch(41.6% 0.130 259.1);

Tailwind

colors: {
  custom: {
    50: '#6b7bb2',
    500: '#1a4991',
    950: '#000000',
  },
}

SCSS

$custom: #1a4991;
$custom-light: #6b7bb2;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4991",
  "rgb": {
    "r": 26,
    "g": 73,
    "b": 145
  },
  "hsl": {
    "h": 216.303,
    "s": 69.591,
    "l": 33.529
  },
  "oklch": {
    "l": 0.41646,
    "c": 0.12953,
    "h": 259.1
  },
  "luminance": 0.07029
}

Semantic roles & 50–950 ramp

primary

#1A4991

secondary

#C09047

accent

#A63BEC

background

#F6F7FB

surface

#ECEDF6

border

#C7C8D0

text

#080911

muted

#7A7B80

Preview Lab

Preview with #1A4991

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

Preview Lab → · Contrast checker → · Palette generator →