#1C247F#1C247F

#1C247F is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.5% C 0.151 H 270.9°. Best body text is #FFFFFF at 13.06:1 contrast (WCAG AA passes).

Color values

HEX	#1C247F
RGB	rgb(28, 36, 127)
HSL	hsl(235, 64%, 30%)
HSV	hsv(235, 78%, 50%)
CMYK	cmyk(78%, 71.7%, 0%, 50.2%)
CIE-LAB	lab(20.20, 30.53, -52.02)
CIE-LCH	lch(20.20, 60.32, 300.41°)
OKLab	oklab(32.46% 0.0023 -0.1506)
OKLCH	oklch(32.46% 0.151 270.9)
XYZ	xyz(4.9392, 3.0404, 20.4011)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C247F #7F771C

analogous

#1C557F #1C247F #461C7F

triadic

#1C247F #7F1C24 #247F1C

tetradic

#1C247F #7F1C55 #7F771C #1C7F46

square

#1C247F #7F1C55 #7F771C #1C7F46

split-complementary

#1C247F #7F461C #557F1C

monochromatic

#06081B #11164D #1C247F #2732B1 #404CD5

Accessibility & contrast

On white

13.06

#1C247F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1C247F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C247F

13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C247F	#FFFFFF	#000000	##FFFFFF
##1C247F	1.00	13.06	1.61	13.06
#FFFFFF	13.06	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003682

Deuteranopia (green-blind)

#002C7D

Tritanopia (blue-blind)

#003D4E

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1c247f;
/* rgb */ color: rgb(28, 36, 127);
/* oklch */ color: oklch(32.5% 0.151 270.9);

Tailwind

colors: {
  custom: {
    50: '#6a5fa5',
    500: '#1c247f',
    950: '#000000',
  },
}

SCSS

$custom: #1c247f;
$custom-light: #6a5fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#1c247f",
  "rgb": {
    "r": 28,
    "g": 36,
    "b": 127
  },
  "hsl": {
    "h": 235.152,
    "s": 63.871,
    "l": 30.392
  },
  "oklch": {
    "l": 0.32464,
    "c": 0.15058,
    "h": 270.9
  },
  "luminance": 0.03041
}

Semantic roles & 50–950 ramp

primary

#1C247F

secondary

#B3AA44

accent

#D941E7

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1C247F

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

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