#1C278F#1C278F

#1C278F is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.7% C 0.168 H 269.6°. Best body text is #FFFFFF at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#1C278F
RGB	rgb(28, 39, 143)
HSL	hsl(234, 67%, 34%)
HSV	hsv(234, 80%, 56%)
CMYK	cmyk(80.4%, 72.7%, 0%, 43.9%)
CIE-LAB	lab(22.59, 34.53, -58.13)
CIE-LCH	lch(22.59, 67.62, 300.71°)
OKLab	oklab(34.68% -0.0012 -0.1684)
OKLCH	oklch(34.68% 0.168 269.6)
XYZ	xyz(6.1606, 3.6804, 26.3670)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C278F #8F841C

analogous

#1C608F #1C278F #4A1C8F

triadic

#1C278F #8F1C27 #278F1C

tetradic

#1C278F #8F1C60 #8F841C #1C8F4A

square

#1C278F #8F1C60 #8F841C #1C8F4A

split-complementary

#1C278F #8F4A1C #608F1C

monochromatic

#080B29 #12195C #1C278F #2635C2 #4A58DC

Accessibility & contrast

On white

12.10

#1C278F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1C278F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C278F

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C278F	#FFFFFF	#000000	##FFFFFF
##1C278F	1.00	12.10	1.74	12.10
#FFFFFF	12.10	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C92

Deuteranopia (green-blind)

#00308D

Tritanopia (blue-blind)

#004458

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c278f;
/* rgb */ color: rgb(28, 39, 143);
/* oklch */ color: oklch(34.7% 0.168 269.6);

Tailwind

colors: {
  custom: {
    50: '#6e62b1',
    500: '#1c278f',
    950: '#000000',
  },
}

SCSS

$custom: #1c278f;
$custom-light: #6e62b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c278f",
  "rgb": {
    "r": 28,
    "g": 39,
    "b": 143
  },
  "hsl": {
    "h": 234.261,
    "s": 67.251,
    "l": 33.529
  },
  "oklch": {
    "l": 0.34683,
    "c": 0.16838,
    "h": 269.6
  },
  "luminance": 0.03681
}

Semantic roles & 50–950 ramp

primary

#1C278F

secondary

#BEB249

accent

#DA3EEA

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#080511

muted

#7B7980

Preview Lab

Preview with #1C278F

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

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