#1C315E#1C315E

#1C315E is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.2% C 0.085 H 263.5°. Best body text is #FFFFFF at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#1C315E
RGB	rgb(28, 49, 94)
HSL	hsl(221, 54%, 24%)
HSV	hsv(221, 70%, 37%)
CMYK	cmyk(70.2%, 47.9%, 0%, 63.1%)
CIE-LAB	lab(21.02, 8.28, -29.39)
CIE-LCH	lch(21.02, 30.53, 285.74°)
OKLab	oklab(32.2% -0.0095 -0.084)
OKLCH	oklch(32.2% 0.085 263.5)
XYZ	xyz(3.5969, 3.2513, 11.0255)
Luminance	0.0325 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C315E #5E491C

analogous

#1C525E #1C315E #281C5E

triadic

#1C315E #5E1C31 #315E1C

tetradic

#1C315E #5E1C52 #5E491C #1C5E28

square

#1C315E #5E1C52 #5E491C #1C5E28

split-complementary

#1C315E #5E281C #525E1C

monochromatic

#070C18 #0E182F #1C315E #2A4A8D #3862BC

Accessibility & contrast

On white

12.72

#1C315E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1C315E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C315E

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C315E	#FFFFFF	#000000	##FFFFFF
##1C315E	1.00	12.72	1.65	12.72
#FFFFFF	12.72	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3660

Deuteranopia (green-blind)

#10305D

Tritanopia (blue-blind)

#003B43

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1c315e;
/* rgb */ color: rgb(28, 49, 94);
/* oklch */ color: oklch(32.2% 0.085 263.5);

Tailwind

colors: {
  custom: {
    50: '#60688c',
    500: '#1c315e',
    950: '#000000',
  },
}

SCSS

$custom: #1c315e;
$custom-light: #60688c;
$custom-dark: #000000;

JSON

{
  "hex": "#1c315e",
  "rgb": {
    "r": 28,
    "g": 49,
    "b": 94
  },
  "hsl": {
    "h": 220.909,
    "s": 54.098,
    "l": 23.922
  },
  "oklch": {
    "l": 0.32195,
    "c": 0.0845,
    "h": 263.5
  },
  "luminance": 0.03252
}

Semantic roles & 50–950 ramp

primary

#1C315E

secondary

#937A42

accent

#AF4ADD

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #1C315E

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

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