#1C2797#1C2797

#1C2797 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.6% C 0.179 H 269.3°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#1C2797
RGB	rgb(28, 39, 151)
HSL	hsl(235, 69%, 35%)
HSV	hsv(235, 81%, 59%)
CMYK	cmyk(81.5%, 74.2%, 0%, 40.8%)
CIE-LAB	lab(23.44, 37.43, -61.66)
CIE-LCH	lch(23.44, 72.13, 301.26°)
OKLab	oklab(35.56% -0.0022 -0.1786)
OKLCH	oklch(35.56% 0.179 269.3)
XYZ	xyz(6.7884, 3.9315, 29.6732)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2797 #978C1C

analogous

#1C6597 #1C2797 #4E1C97

triadic

#1C2797 #971C27 #27971C

tetradic

#1C2797 #971C65 #978C1C #1C974E

square

#1C2797 #971C65 #978C1C #1C974E

split-complementary

#1C2797 #974E1C #65971C

monochromatic

#090C30 #121A63 #1C2797 #2634CB #4F5CDE

Accessibility & contrast

On white

11.76

#1C2797 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1C2797 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2797

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2797	#FFFFFF	#000000	##FFFFFF
##1C2797	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9A

Deuteranopia (green-blind)

#003295

Tritanopia (blue-blind)

#00475C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1c2797;
/* rgb */ color: rgb(28, 39, 151);
/* oklch */ color: oklch(35.6% 0.179 269.3);

Tailwind

colors: {
  custom: {
    50: '#7062b7',
    500: '#1c2797',
    950: '#000000',
  },
}

SCSS

$custom: #1c2797;
$custom-light: #7062b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2797",
  "rgb": {
    "r": 28,
    "g": 39,
    "b": 151
  },
  "hsl": {
    "h": 234.634,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.35555,
    "c": 0.17865,
    "h": 269.3
  },
  "luminance": 0.03932
}

Semantic roles & 50–950 ramp

primary

#1C2797

secondary

#C1B74E

accent

#DC3CEC

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1C2797

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

Preview Lab → · Contrast checker → · Palette generator →