#1C2A80#1C2A80

#1C2A80 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.7% C 0.145 H 269.4°. Best body text is #FFFFFF at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#1C2A80
RGB	rgb(28, 42, 128)
HSL	hsl(232, 64%, 31%)
HSV	hsv(232, 78%, 50%)
CMYK	cmyk(78.1%, 67.2%, 0%, 49.8%)
CIE-LAB	lab(21.80, 26.89, -50.03)
CIE-LCH	lch(21.80, 56.80, 298.26°)
OKLab	oklab(33.66% -0.0014 -0.1447)
OKLCH	oklch(33.66% 0.145 269.4)
XYZ	xyz(5.2018, 3.4608, 20.8117)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2A80 #80721C

analogous

#1C5C80 #1C2A80 #401C80

triadic

#1C2A80 #801C2A #2A801C

tetradic

#1C2A80 #801C5C #80721C #1C8040

square

#1C2A80 #801C5C #80721C #1C8040

split-complementary

#1C2A80 #80401C #5C801C

monochromatic

#06091C #111A4E #1C2A80 #273AB2 #4156D5

Accessibility & contrast

On white

12.41

#1C2A80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1C2A80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2A80

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2A80	#FFFFFF	#000000	##FFFFFF
##1C2A80	1.00	12.41	1.69	12.41
#FFFFFF	12.41	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003983

Deuteranopia (green-blind)

#00307E

Tritanopia (blue-blind)

#004151

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c2a80;
/* rgb */ color: rgb(28, 42, 128);
/* oklch */ color: oklch(33.7% 0.145 269.4);

Tailwind

colors: {
  custom: {
    50: '#6963a6',
    500: '#1c2a80',
    950: '#000000',
  },
}

SCSS

$custom: #1c2a80;
$custom-light: #6963a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2a80",
  "rgb": {
    "r": 28,
    "g": 42,
    "b": 128
  },
  "hsl": {
    "h": 231.6,
    "s": 64.103,
    "l": 30.588
  },
  "oklch": {
    "l": 0.33656,
    "c": 0.14472,
    "h": 269.4
  },
  "luminance": 0.03461
}

Semantic roles & 50–950 ramp

primary

#1C2A80

secondary

#B3A444

accent

#D041E7

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1C2A80

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

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