#1C1971#1C1971

#1C1971 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.1% C 0.144 H 274.2°. Best body text is #FFFFFF at 14.72:1 contrast (WCAG AA passes).

Color values

HEX	#1C1971
RGB	rgb(28, 25, 113)
HSL	hsl(242, 64%, 27%)
HSV	hsv(242, 78%, 44%)
CMYK	cmyk(75.2%, 77.9%, 0%, 55.7%)
CIE-LAB	lab(16.18, 32.38, -49.69)
CIE-LCH	lch(16.18, 59.31, 303.09°)
OKLab	oklab(29.13% 0.0107 -0.1437)
OKLCH	oklch(29.13% 0.144 274.2)
XYZ	xyz(3.8062, 2.1340, 15.8309)
Luminance	0.0213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1971 #6E7119

analogous

#194271 #1C1971 #481971

triadic

#1C1971 #711C19 #19711C

tetradic

#1C1971 #711942 #6E7119 #197148

square

#1C1971 #711942 #6E7119 #197148

split-complementary

#1C1971 #714819 #427119

monochromatic

#060619 #100E3F #1C1971 #2824A3 #3833D2

Accessibility & contrast

On white

14.72

#1C1971 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#1C1971 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1971

14.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1971	#FFFFFF	#000000	##FFFFFF
##1C1971	1.00	14.72	1.43	14.72
#FFFFFF	14.72	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C74

Deuteranopia (green-blind)

#00246F

Tritanopia (blue-blind)

#003343

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1c1971;
/* rgb */ color: rgb(28, 25, 113);
/* oklch */ color: oklch(29.1% 0.144 274.2);

Tailwind

colors: {
  custom: {
    50: '#67579b',
    500: '#1c1971',
    950: '#000000',
  },
}

SCSS

$custom: #1c1971;
$custom-light: #67579b;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1971",
  "rgb": {
    "r": 28,
    "g": 25,
    "b": 113
  },
  "hsl": {
    "h": 242.045,
    "s": 63.768,
    "l": 27.059
  },
  "oklch": {
    "l": 0.29125,
    "c": 0.14412,
    "h": 274.2
  },
  "luminance": 0.02134
}

Semantic roles & 50–950 ramp

primary

#1C1971

secondary

#A3A640

accent

#E741E1

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1C1971

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

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