#1C2080#1C2080

#1C2080 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.9% C 0.156 H 271.6°. Best body text is #FFFFFF at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#1C2080
RGB	rgb(28, 32, 128)
HSL	hsl(238, 64%, 31%)
HSV	hsv(238, 78%, 50%)
CMYK	cmyk(78.1%, 75%, 0%, 49.8%)
CIE-LAB	lab(19.38, 33.46, -54.01)
CIE-LCH	lch(19.38, 63.53, 301.78°)
OKLab	oklab(31.91% 0.0043 -0.1563)
OKLCH	oklch(31.91% 0.156 271.6)
XYZ	xyz(4.8904, 2.8379, 20.7079)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2080 #807C1C

analogous

#1C5280 #1C2080 #4A1C80

triadic

#1C2080 #801C20 #20801C

tetradic

#1C2080 #801C52 #807C1C #1C804A

square

#1C2080 #801C52 #807C1C #1C804A

split-complementary

#1C2080 #804A1C #52801C

monochromatic

#06071C #11134E #1C2080 #272DB2 #4147D5

Accessibility & contrast

On white

13.40

#1C2080 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1C2080 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2080

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2080	#FFFFFF	#000000	##FFFFFF
##1C2080	1.00	13.40	1.57	13.40
#FFFFFF	13.40	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003483

Deuteranopia (green-blind)

#002A7E

Tritanopia (blue-blind)

#003B4E

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c2080;
/* rgb */ color: rgb(28, 32, 128);
/* oklch */ color: oklch(31.9% 0.156 271.6);

Tailwind

colors: {
  custom: {
    50: '#6a5ca6',
    500: '#1c2080',
    950: '#000000',
  },
}

SCSS

$custom: #1c2080;
$custom-light: #6a5ca6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2080",
  "rgb": {
    "r": 28,
    "g": 32,
    "b": 128
  },
  "hsl": {
    "h": 237.6,
    "s": 64.103,
    "l": 30.588
  },
  "oklch": {
    "l": 0.31905,
    "c": 0.15641,
    "h": 271.6
  },
  "luminance": 0.02838
}

Semantic roles & 50–950 ramp

primary

#1C2080

secondary

#B3AF44

accent

#E041E7

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #1C2080

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

Preview Lab → · Contrast checker → · Palette generator →