#1A278F#1A278F

#1A278F is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.6% C 0.169 H 268.9°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#1A278F
RGB	rgb(26, 39, 143)
HSL	hsl(233, 69%, 33%)
HSV	hsv(233, 82%, 56%)
CMYK	cmyk(81.8%, 72.7%, 0%, 43.9%)
CIE-LAB	lab(22.49, 34.37, -58.30)
CIE-LCH	lch(22.49, 67.67, 300.52°)
OKLab	oklab(34.59% -0.0032 -0.1689)
OKLCH	oklch(34.59% 0.169 268.9)
XYZ	xyz(6.1077, 3.6531, 26.3645)
Luminance	0.0365 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A278F #8F821A

analogous

#1A618F #1A278F #471A8F

triadic

#1A278F #8F1A27 #278F1A

tetradic

#1A278F #8F1A61 #8F821A #1A8F47

square

#1A278F #8F1A61 #8F821A #1A8F47

split-complementary

#1A278F #8F471A #618F1A

monochromatic

#070B27 #11195B #1A278F #2335C3 #4657DD

Accessibility & contrast

On white

12.13

#1A278F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1A278F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A278F

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A278F	#FFFFFF	#000000	##FFFFFF
##1A278F	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B92

Deuteranopia (green-blind)

#00308D

Tritanopia (blue-blind)

#004458

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1a278f;
/* rgb */ color: rgb(26, 39, 143);
/* oklch */ color: oklch(34.6% 0.169 268.9);

Tailwind

colors: {
  custom: {
    50: '#6d62b1',
    500: '#1a278f',
    950: '#000000',
  },
}

SCSS

$custom: #1a278f;
$custom-light: #6d62b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a278f",
  "rgb": {
    "r": 26,
    "g": 39,
    "b": 143
  },
  "hsl": {
    "h": 233.333,
    "s": 69.231,
    "l": 33.137
  },
  "oklch": {
    "l": 0.34588,
    "c": 0.16891,
    "h": 268.9
  },
  "luminance": 0.03654
}

Semantic roles & 50–950 ramp

primary

#1A278F

secondary

#BFB146

accent

#D83CEC

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#080511

muted

#7B7980

Preview Lab

Preview with #1A278F

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

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