#1C2984#1C2984

#1C2984 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.9% C 0.151 H 269.6°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#1C2984
RGB	rgb(28, 41, 132)
HSL	hsl(233, 65%, 31%)
HSV	hsv(233, 79%, 52%)
CMYK	cmyk(78.8%, 68.9%, 0%, 48.2%)
CIE-LAB	lab(21.94, 29.11, -52.33)
CIE-LCH	lch(21.94, 59.88, 299.09°)
OKLab	oklab(33.87% -0.0011 -0.1514)
OKLCH	oklch(33.87% 0.151 269.6)
XYZ	xyz(5.4353, 3.4981, 22.2141)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2984 #84771C

analogous

#1C5D84 #1C2984 #431C84

triadic

#1C2984 #841C29 #29841C

tetradic

#1C2984 #841C5D #84771C #1C8443

square

#1C2984 #841C5D #84771C #1C8443

split-complementary

#1C2984 #84431C #5D841C

monochromatic

#070A1F #111952 #1C2984 #2739B6 #4356D7

Accessibility & contrast

On white

12.35

#1C2984 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1C2984 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2984

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2984	#FFFFFF	#000000	##FFFFFF
##1C2984	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A87

Deuteranopia (green-blind)

#003082

Tritanopia (blue-blind)

#004253

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1c2984;
/* rgb */ color: rgb(28, 41, 132);
/* oklch */ color: oklch(33.9% 0.151 269.6);

Tailwind

colors: {
  custom: {
    50: '#6b63a9',
    500: '#1c2984',
    950: '#000000',
  },
}

SCSS

$custom: #1c2984;
$custom-light: #6b63a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2984",
  "rgb": {
    "r": 28,
    "g": 41,
    "b": 132
  },
  "hsl": {
    "h": 232.5,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.33874,
    "c": 0.15144,
    "h": 269.6
  },
  "luminance": 0.03499
}

Semantic roles & 50–950 ramp

primary

#1C2984

secondary

#B7A945

accent

#D340E8

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#080510

muted

#7A797F

Preview Lab

Preview with #1C2984

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

Preview Lab → · Contrast checker → · Palette generator →