#1A2983#1A2983

#1A2983 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.7% C 0.151 H 268.9°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#1A2983
RGB	rgb(26, 41, 131)
HSL	hsl(231, 67%, 31%)
HSV	hsv(231, 80%, 51%)
CMYK	cmyk(80.2%, 68.7%, 0%, 48.6%)
CIE-LAB	lab(21.74, 28.52, -52.03)
CIE-LCH	lch(21.74, 59.33, 298.73°)
OKLab	oklab(33.67% -0.003 -0.1506)
OKLCH	oklch(33.67% 0.151 268.9)
XYZ	xyz(5.3143, 3.4436, 21.8529)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2983 #83741A

analogous

#1A5D83 #1A2983 #401A83

triadic

#1A2983 #831A29 #29831A

tetradic

#1A2983 #831A5D #83741A #1A8340

square

#1A2983 #831A5D #83741A #1A8340

split-complementary

#1A2983 #83401A #5D831A

monochromatic

#06091D #101950 #1A2983 #2439B6 #3F55D9

Accessibility & contrast

On white

12.43

#1A2983 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1A2983 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2983

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2983	#FFFFFF	#000000	##FFFFFF
##1A2983	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003986

Deuteranopia (green-blind)

#002F81

Tritanopia (blue-blind)

#004152

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1a2983;
/* rgb */ color: rgb(26, 41, 131);
/* oklch */ color: oklch(33.7% 0.151 268.9);

Tailwind

colors: {
  custom: {
    50: '#6a62a8',
    500: '#1a2983',
    950: '#000000',
  },
}

SCSS

$custom: #1a2983;
$custom-light: #6a62a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2983",
  "rgb": {
    "r": 26,
    "g": 41,
    "b": 131
  },
  "hsl": {
    "h": 231.429,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.33672,
    "c": 0.15064,
    "h": 268.9
  },
  "luminance": 0.03444
}

Semantic roles & 50–950 ramp

primary

#1A2983

secondary

#B7A642

accent

#D13EEA

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#080510

muted

#7A797F

Preview Lab

Preview with #1A2983

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

Preview Lab → · Contrast checker → · Palette generator →