#1C278E#1C278E

#1C278E is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.6% C 0.167 H 269.6°. Best body text is #FFFFFF at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#1C278E
RGB	rgb(28, 39, 142)
HSL	hsl(234, 67%, 33%)
HSV	hsv(234, 80%, 56%)
CMYK	cmyk(80.3%, 72.5%, 0%, 44.3%)
CIE-LAB	lab(22.48, 34.16, -57.69)
CIE-LCH	lch(22.48, 67.05, 300.63°)
OKLab	oklab(34.58% -0.0011 -0.1671)
OKLCH	oklch(34.58% 0.167 269.6)
XYZ	xyz(6.0852, 3.6502, 25.9698)
Luminance	0.0365 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C278E #8E831C

analogous

#1C608E #1C278E #4A1C8E

triadic

#1C278E #8E1C27 #278E1C

tetradic

#1C278E #8E1C60 #8E831C #1C8E4A

square

#1C278E #8E1C60 #8E831C #1C8E4A

split-complementary

#1C278E #8E4A1C #608E1C

monochromatic

#080B28 #12195B #1C278E #2635C1 #4957DB

Accessibility & contrast

On white

12.14

#1C278E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1C278E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C278E

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C278E	#FFFFFF	#000000	##FFFFFF
##1C278E	1.00	12.14	1.73	12.14
#FFFFFF	12.14	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B91

Deuteranopia (green-blind)

#00308C

Tritanopia (blue-blind)

#004457

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c278e;
/* rgb */ color: rgb(28, 39, 142);
/* oklch */ color: oklch(34.6% 0.167 269.6);

Tailwind

colors: {
  custom: {
    50: '#6e62b0',
    500: '#1c278e',
    950: '#000000',
  },
}

SCSS

$custom: #1c278e;
$custom-light: #6e62b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c278e",
  "rgb": {
    "r": 28,
    "g": 39,
    "b": 142
  },
  "hsl": {
    "h": 234.211,
    "s": 67.059,
    "l": 33.333
  },
  "oklch": {
    "l": 0.34576,
    "c": 0.16708,
    "h": 269.6
  },
  "luminance": 0.03651
}

Semantic roles & 50–950 ramp

primary

#1C278E

secondary

#BDB249

accent

#D93EEA

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#080511

muted

#7B7980

Preview Lab

Preview with #1C278E

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

Preview Lab → · Contrast checker → · Palette generator →