#1C2D90#1C2D90

#1C2D90 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.8% C 0.163 H 268.5°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#1C2D90
RGB	rgb(28, 45, 144)
HSL	hsl(231, 67%, 34%)
HSV	hsv(231, 81%, 56%)
CMYK	cmyk(80.6%, 68.7%, 0%, 43.5%)
CIE-LAB	lab(24.12, 31.02, -56.23)
CIE-LCH	lch(24.12, 64.22, 298.88°)
OKLab	oklab(35.82% -0.0042 -0.1628)
OKLCH	oklch(35.82% 0.163 268.5)
XYZ	xyz(6.4496, 4.1365, 26.8387)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2D90 #907F1C

analogous

#1C6790 #1C2D90 #451C90

triadic

#1C2D90 #901C2D #2D901C

tetradic

#1C2D90 #901C67 #907F1C #1C9045

square

#1C2D90 #901C67 #907F1C #1C9045

split-complementary

#1C2D90 #90451C #67901C

monochromatic

#080D2A #121D5D #1C2D90 #263DC3 #4A60DC

Accessibility & contrast

On white

11.49

#1C2D90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#1C2D90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2D90

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2D90	#FFFFFF	#000000	##FFFFFF
##1C2D90	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F93

Deuteranopia (green-blind)

#00348E

Tritanopia (blue-blind)

#00485A

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1c2d90;
/* rgb */ color: rgb(28, 45, 144);
/* oklch */ color: oklch(35.8% 0.163 268.5);

Tailwind

colors: {
  custom: {
    50: '#6d66b2',
    500: '#1c2d90',
    950: '#000000',
  },
}

SCSS

$custom: #1c2d90;
$custom-light: #6d66b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2d90",
  "rgb": {
    "r": 28,
    "g": 45,
    "b": 144
  },
  "hsl": {
    "h": 231.207,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.35824,
    "c": 0.16287,
    "h": 268.5
  },
  "luminance": 0.04137
}

Semantic roles & 50–950 ramp

primary

#1C2D90

secondary

#BEAD4A

accent

#D13DEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1C2D90

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

Preview Lab → · Contrast checker → · Palette generator →