#1A278B#1A278B

#1A278B is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.2% C 0.164 H 269.1°. Best body text is #FFFFFF at 12.30:1 contrast (WCAG AA passes).

Color values

HEX	#1A278B
RGB	rgb(26, 39, 139)
HSL	hsl(233, 68%, 32%)
HSV	hsv(233, 81%, 55%)
CMYK	cmyk(81.3%, 71.9%, 0%, 45.5%)
CIE-LAB	lab(22.07, 32.88, -56.50)
CIE-LCH	lch(22.07, 65.37, 300.20°)
OKLab	oklab(34.16% -0.0027 -0.1637)
OKLCH	oklch(34.16% 0.164 269.1)
XYZ	xyz(5.8101, 3.5341, 24.7970)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A278B #8B7E1A

analogous

#1A608B #1A278B #451A8B

triadic

#1A278B #8B1A27 #278B1A

tetradic

#1A278B #8B1A60 #8B7E1A #1A8B45

square

#1A278B #8B1A60 #8B7E1A #1A8B45

split-complementary

#1A278B #8B451A #608B1A

monochromatic

#070A24 #101957 #1A278B #2435BF #4355DC

Accessibility & contrast

On white

12.30

#1A278B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1A278B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A278B

12.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A278B	#FFFFFF	#000000	##FFFFFF
##1A278B	1.00	12.30	1.71	12.30
#FFFFFF	12.30	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8E

Deuteranopia (green-blind)

#002F89

Tritanopia (blue-blind)

#004356

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1a278b;
/* rgb */ color: rgb(26, 39, 139);
/* oklch */ color: oklch(34.2% 0.164 269.1);

Tailwind

colors: {
  custom: {
    50: '#6c61ae',
    500: '#1a278b',
    950: '#000000',
  },
}

SCSS

$custom: #1a278b;
$custom-light: #6c61ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1a278b",
  "rgb": {
    "r": 26,
    "g": 39,
    "b": 139
  },
  "hsl": {
    "h": 233.097,
    "s": 68.485,
    "l": 32.353
  },
  "oklch": {
    "l": 0.34157,
    "c": 0.16368,
    "h": 269.1
  },
  "luminance": 0.03535
}

Semantic roles & 50–950 ramp

primary

#1A278B

secondary

#BDAF44

accent

#D73CEB

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1A278B

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

Preview Lab → · Contrast checker → · Palette generator →