#1C2B97#1C2B97

#1C2B97 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.2% C 0.174 H 268.7°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#1C2B97
RGB	rgb(28, 43, 151)
HSL	hsl(233, 69%, 35%)
HSV	hsv(233, 81%, 59%)
CMYK	cmyk(81.5%, 71.5%, 0%, 40.8%)
CIE-LAB	lab(24.35, 34.94, -60.17)
CIE-LCH	lch(24.35, 69.58, 300.14°)
OKLab	oklab(36.21% -0.0039 -0.1743)
OKLCH	oklch(36.21% 0.174 268.7)
XYZ	xyz(6.9268, 4.2082, 29.7193)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2B97 #97881C

analogous

#1C6897 #1C2B97 #4B1C97

triadic

#1C2B97 #971C2B #2B971C

tetradic

#1C2B97 #971C68 #97881C #1C974B

square

#1C2B97 #971C68 #97881C #1C974B

split-complementary

#1C2B97 #974B1C #68971C

monochromatic

#090E30 #121C63 #1C2B97 #263ACB #4F61DE

Accessibility & contrast

On white

11.40

#1C2B97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1C2B97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2B97

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2B97	#FFFFFF	#000000	##FFFFFF
##1C2B97	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409A

Deuteranopia (green-blind)

#003495

Tritanopia (blue-blind)

#00495E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1c2b97;
/* rgb */ color: rgb(28, 43, 151);
/* oklch */ color: oklch(36.2% 0.174 268.7);

Tailwind

colors: {
  custom: {
    50: '#7065b7',
    500: '#1c2b97',
    950: '#000000',
  },
}

SCSS

$custom: #1c2b97;
$custom-light: #7065b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2b97",
  "rgb": {
    "r": 28,
    "g": 43,
    "b": 151
  },
  "hsl": {
    "h": 232.683,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.36205,
    "c": 0.17435,
    "h": 268.7
  },
  "luminance": 0.04209
}

Semantic roles & 50–950 ramp

primary

#1C2B97

secondary

#C1B34E

accent

#D63CEC

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #1C2B97

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

Preview Lab → · Contrast checker → · Palette generator →