#1A2179#1A2179

#1A2179 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.2% C 0.146 H 271.0°. Best body text is #FFFFFF at 13.66:1 contrast (WCAG AA passes).

Color values

HEX	#1A2179
RGB	rgb(26, 33, 121)
HSL	hsl(236, 65%, 29%)
HSV	hsv(236, 79%, 47%)
CMYK	cmyk(78.5%, 72.7%, 0%, 52.5%)
CIE-LAB	lab(18.75, 30.04, -50.61)
CIE-LCH	lch(18.75, 58.85, 300.69°)
OKLab	oklab(31.19% 0.0025 -0.1465)
OKLCH	oklch(31.19% 0.147 271)
XYZ	xyz(4.4199, 2.6873, 18.3712)
Luminance	0.0269 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2179 #79721A

analogous

#1A5179 #1A2179 #431A79

triadic

#1A2179 #791A21 #21791A

tetradic

#1A2179 #791A51 #79721A #1A7943

square

#1A2179 #791A51 #79721A #1A7943

split-complementary

#1A2179 #79431A #51791A

monochromatic

#050719 #0F1347 #1A2179 #252FAB #3944D4

Accessibility & contrast

On white

13.66

#1A2179 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1A2179 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2179

13.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2179	#FFFFFF	#000000	##FFFFFF
##1A2179	1.00	13.66	1.54	13.66
#FFFFFF	13.66	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327C

Deuteranopia (green-blind)

#002977

Tritanopia (blue-blind)

#00394A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1a2179;
/* rgb */ color: rgb(26, 33, 121);
/* oklch */ color: oklch(31.2% 0.146 271.0);

Tailwind

colors: {
  custom: {
    50: '#685da1',
    500: '#1a2179',
    950: '#000000',
  },
}

SCSS

$custom: #1a2179;
$custom-light: #685da1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2179",
  "rgb": {
    "r": 26,
    "g": 33,
    "b": 121
  },
  "hsl": {
    "h": 235.579,
    "s": 64.626,
    "l": 28.824
  },
  "oklch": {
    "l": 0.3119,
    "c": 0.1465,
    "h": 271
  },
  "luminance": 0.02688
}

Semantic roles & 50–950 ramp

primary

#1A2179

secondary

#ADA541

accent

#DB40E8

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1A2179

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

Preview Lab → · Contrast checker → · Palette generator →