#1C2C71#1C2C71

#1C2C71 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.6% C 0.121 H 268.8°. Best body text is #FFFFFF at 12.74:1 contrast (WCAG AA passes).

Color values

HEX	#1C2C71
RGB	rgb(28, 44, 113)
HSL	hsl(229, 60%, 28%)
HSV	hsv(229, 75%, 44%)
CMYK	cmyk(75.2%, 61.1%, 0%, 55.7%)
CIE-LAB	lab(20.98, 19.58, -41.81)
CIE-LCH	lch(20.98, 46.17, 295.09°)
OKLab	oklab(32.63% -0.0026 -0.1206)
OKLCH	oklch(32.63% 0.121 268.8)
XYZ	xyz(4.3592, 3.2400, 16.0152)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2C71 #71611C

analogous

#1C5671 #1C2C71 #361C71

triadic

#1C2C71 #711C2C #2C711C

tetradic

#1C2C71 #711C56 #71611C #1C7136

square

#1C2C71 #711C56 #71611C #1C7136

split-complementary

#1C2C71 #71361C #56711C

monochromatic

#060A19 #101940 #1C2C71 #283FA2 #3955CE

Accessibility & contrast

On white

12.74

#1C2C71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1C2C71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2C71

12.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2C71	#FFFFFF	#000000	##FFFFFF
##1C2C71	1.00	12.74	1.65	12.74
#FFFFFF	12.74	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003673

Deuteranopia (green-blind)

#002F70

Tritanopia (blue-blind)

#003D4A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1c2c71;
/* rgb */ color: rgb(28, 44, 113);
/* oklch */ color: oklch(32.6% 0.121 268.8);

Tailwind

colors: {
  custom: {
    50: '#65649a',
    500: '#1c2c71',
    950: '#000000',
  },
}

SCSS

$custom: #1c2c71;
$custom-light: #65649a;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2c71",
  "rgb": {
    "r": 28,
    "g": 44,
    "b": 113
  },
  "hsl": {
    "h": 228.706,
    "s": 60.284,
    "l": 27.647
  },
  "oklch": {
    "l": 0.32627,
    "c": 0.12062,
    "h": 268.8
  },
  "luminance": 0.0324
}

Semantic roles & 50–950 ramp

primary

#1C2C71

secondary

#A69343

accent

#C544E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050E

muted

#7A7A7E

Preview Lab

Preview with #1C2C71

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

Preview Lab → · Contrast checker → · Palette generator →