#1C2B91#1C2B91

#1C2B91 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.6% C 0.167 H 268.9°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#1C2B91
RGB	rgb(28, 43, 145)
HSL	hsl(232, 68%, 34%)
HSV	hsv(232, 81%, 57%)
CMYK	cmyk(80.7%, 70.3%, 0%, 43.1%)
CIE-LAB	lab(23.73, 32.71, -57.49)
CIE-LCH	lch(23.73, 66.14, 299.64°)
OKLab	oklab(35.57% -0.0033 -0.1665)
OKLCH	oklch(35.57% 0.167 268.9)
XYZ	xyz(6.4518, 4.0182, 27.2181)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2B91 #91821C

analogous

#1C6691 #1C2B91 #481C91

triadic

#1C2B91 #911C2B #2B911C

tetradic

#1C2B91 #911C66 #91821C #1C9148

square

#1C2B91 #911C66 #91821C #1C9148

split-complementary

#1C2B91 #91481C #66911C

monochromatic

#080D2A #121C5E #1C2B91 #263AC4 #4B5EDC

Accessibility & contrast

On white

11.64

#1C2B91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#1C2B91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2B91

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2B91	#FFFFFF	#000000	##FFFFFF
##1C2B91	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E94

Deuteranopia (green-blind)

#00338F

Tritanopia (blue-blind)

#00475A

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1c2b91;
/* rgb */ color: rgb(28, 43, 145);
/* oklch */ color: oklch(35.6% 0.167 268.9);

Tailwind

colors: {
  custom: {
    50: '#6e64b2',
    500: '#1c2b91',
    950: '#000000',
  },
}

SCSS

$custom: #1c2b91;
$custom-light: #6e64b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2b91",
  "rgb": {
    "r": 28,
    "g": 43,
    "b": 145
  },
  "hsl": {
    "h": 232.308,
    "s": 67.63,
    "l": 33.922
  },
  "oklch": {
    "l": 0.35573,
    "c": 0.16652,
    "h": 268.9
  },
  "luminance": 0.04019
}

Semantic roles & 50–950 ramp

primary

#1C2B91

secondary

#BEB04A

accent

#D43DEB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080511

muted

#7B7A80

Preview Lab

Preview with #1C2B91

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

Preview Lab → · Contrast checker → · Palette generator →