#1C2897#1C2897

#1C2897 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.7% C 0.178 H 269.2°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#1C2897
RGB	rgb(28, 40, 151)
HSL	hsl(234, 69%, 35%)
HSV	hsv(234, 81%, 59%)
CMYK	cmyk(81.5%, 73.5%, 0%, 40.8%)
CIE-LAB	lab(23.66, 36.82, -61.30)
CIE-LCH	lch(23.66, 71.50, 300.99°)
OKLab	oklab(35.71% -0.0026 -0.1776)
OKLCH	oklch(35.71% 0.178 269.2)
XYZ	xyz(6.8217, 3.9980, 29.6843)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2897 #978B1C

analogous

#1C6697 #1C2897 #4D1C97

triadic

#1C2897 #971C28 #28971C

tetradic

#1C2897 #971C66 #978B1C #1C974D

square

#1C2897 #971C66 #978B1C #1C974D

split-complementary

#1C2897 #974D1C #66971C

monochromatic

#090D30 #121A63 #1C2897 #2636CB #4F5DDE

Accessibility & contrast

On white

11.67

#1C2897 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#1C2897 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2897

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2897	#FFFFFF	#000000	##FFFFFF
##1C2897	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9A

Deuteranopia (green-blind)

#003295

Tritanopia (blue-blind)

#00485D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1c2897;
/* rgb */ color: rgb(28, 40, 151);
/* oklch */ color: oklch(35.7% 0.178 269.2);

Tailwind

colors: {
  custom: {
    50: '#7063b7',
    500: '#1c2897',
    950: '#000000',
  },
}

SCSS

$custom: #1c2897;
$custom-light: #7063b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2897",
  "rgb": {
    "r": 28,
    "g": 40,
    "b": 151
  },
  "hsl": {
    "h": 234.146,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.35713,
    "c": 0.1776,
    "h": 269.2
  },
  "luminance": 0.03999
}

Semantic roles & 50–950 ramp

primary

#1C2897

secondary

#C1B64E

accent

#DA3CEC

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1C2897

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

Preview Lab → · Contrast checker → · Palette generator →