#1A2F80#1A2F80

#1A2F80 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.5% C 0.139 H 267.3°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#1A2F80
RGB	rgb(26, 47, 128)
HSL	hsl(228, 66%, 30%)
HSV	hsv(228, 80%, 50%)
CMYK	cmyk(79.7%, 63.3%, 0%, 49.8%)
CIE-LAB	lab(23.04, 23.21, -48.02)
CIE-LCH	lch(23.04, 53.33, 295.80°)
OKLab	oklab(34.54% -0.0066 -0.1388)
OKLCH	oklch(34.54% 0.139 267.3)
XYZ	xyz(5.3374, 3.8106, 20.8721)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2F80 #806B1A

analogous

#1A6280 #1A2F80 #381A80

triadic

#1A2F80 #801A2F #2F801A

tetradic

#1A2F80 #801A62 #806B1A #1A8038

square

#1A2F80 #801A62 #806B1A #1A8038

split-complementary

#1A2F80 #80381A #62801A

monochromatic

#050A1A #101C4D #1A2F80 #2442B3 #3D5DD8

Accessibility & contrast

On white

11.92

#1A2F80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1A2F80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2F80

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2F80	#FFFFFF	#000000	##FFFFFF
##1A2F80	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C83

Deuteranopia (green-blind)

#00327E

Tritanopia (blue-blind)

#004452

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1a2f80;
/* rgb */ color: rgb(26, 47, 128);
/* oklch */ color: oklch(34.5% 0.139 267.3);

Tailwind

colors: {
  custom: {
    50: '#6867a6',
    500: '#1a2f80',
    950: '#000000',
  },
}

SCSS

$custom: #1a2f80;
$custom-light: #6867a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2f80",
  "rgb": {
    "r": 26,
    "g": 47,
    "b": 128
  },
  "hsl": {
    "h": 227.647,
    "s": 66.234,
    "l": 30.196
  },
  "oklch": {
    "l": 0.34539,
    "c": 0.13896,
    "h": 267.3
  },
  "luminance": 0.03811
}

Semantic roles & 50–950 ramp

primary

#1A2F80

secondary

#B49C42

accent

#C63FE9

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1A2F80

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

Preview Lab → · Contrast checker → · Palette generator →