#1C2A90#1C2A90

#1C2A90 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.3% C 0.166 H 269.1°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#1C2A90
RGB	rgb(28, 42, 144)
HSL	hsl(233, 67%, 34%)
HSV	hsv(233, 81%, 56%)
CMYK	cmyk(80.6%, 70.8%, 0%, 43.5%)
CIE-LAB	lab(23.39, 32.98, -57.43)
CIE-LCH	lch(23.39, 66.22, 299.87°)
OKLab	oklab(35.3% -0.0027 -0.1663)
OKLCH	oklch(35.3% 0.166 269.1)
XYZ	xyz(6.3392, 3.9157, 26.8019)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2A90 #90821C

analogous

#1C6490 #1C2A90 #481C90

triadic

#1C2A90 #901C2A #2A901C

tetradic

#1C2A90 #901C64 #90821C #1C9048

square

#1C2A90 #901C64 #90821C #1C9048

split-complementary

#1C2A90 #90481C #64901C

monochromatic

#080C2A #121B5D #1C2A90 #2639C3 #4A5CDC

Accessibility & contrast

On white

11.78

#1C2A90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#1C2A90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2A90

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2A90	#FFFFFF	#000000	##FFFFFF
##1C2A90	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D93

Deuteranopia (green-blind)

#00328E

Tritanopia (blue-blind)

#004659

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1c2a90;
/* rgb */ color: rgb(28, 42, 144);
/* oklch */ color: oklch(35.3% 0.166 269.1);

Tailwind

colors: {
  custom: {
    50: '#6e64b2',
    500: '#1c2a90',
    950: '#000000',
  },
}

SCSS

$custom: #1c2a90;
$custom-light: #6e64b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2a90",
  "rgb": {
    "r": 28,
    "g": 42,
    "b": 144
  },
  "hsl": {
    "h": 232.759,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.35296,
    "c": 0.16634,
    "h": 269.1
  },
  "luminance": 0.03916
}

Semantic roles & 50–950 ramp

primary

#1C2A90

secondary

#BEB04A

accent

#D53DEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080511

muted

#7B7A80

Preview Lab

Preview with #1C2A90

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

Preview Lab → · Contrast checker → · Palette generator →