#1A2980#1A2980

#1A2980 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.4% C 0.147 H 268.9°. Best body text is #FFFFFF at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#1A2980
RGB	rgb(26, 41, 128)
HSL	hsl(231, 66%, 30%)
HSV	hsv(231, 80%, 50%)
CMYK	cmyk(79.7%, 68%, 0%, 49.8%)
CIE-LAB	lab(21.44, 27.36, -50.62)
CIE-LCH	lch(21.44, 57.54, 298.39°)
OKLab	oklab(33.37% -0.0028 -0.1465)
OKLCH	oklch(33.37% 0.147 268.9)
XYZ	xyz(5.1139, 3.3634, 20.7976)
Luminance	0.0336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2980 #80711A

analogous

#1A5C80 #1A2980 #3E1A80

triadic

#1A2980 #801A29 #29801A

tetradic

#1A2980 #801A5C #80711A #1A803E

square

#1A2980 #801A5C #80711A #1A803E

split-complementary

#1A2980 #803E1A #5C801A

monochromatic

#05081A #10194D #1A2980 #2439B3 #3D54D8

Accessibility & contrast

On white

12.55

#1A2980 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1A2980 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2980

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2980	#FFFFFF	#000000	##FFFFFF
##1A2980	1.00	12.55	1.67	12.55
#FFFFFF	12.55	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003883

Deuteranopia (green-blind)

#002F7E

Tritanopia (blue-blind)

#004050

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1a2980;
/* rgb */ color: rgb(26, 41, 128);
/* oklch */ color: oklch(33.4% 0.147 268.9);

Tailwind

colors: {
  custom: {
    50: '#6962a6',
    500: '#1a2980',
    950: '#000000',
  },
}

SCSS

$custom: #1a2980;
$custom-light: #6962a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2980",
  "rgb": {
    "r": 26,
    "g": 41,
    "b": 128
  },
  "hsl": {
    "h": 231.176,
    "s": 66.234,
    "l": 30.196
  },
  "oklch": {
    "l": 0.33367,
    "c": 0.14652,
    "h": 268.9
  },
  "luminance": 0.03364
}

Semantic roles & 50–950 ramp

primary

#1A2980

secondary

#B4A342

accent

#D03FE9

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1A2980

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

Preview Lab → · Contrast checker → · Palette generator →