#1C3263#1C3263

#1C3263 is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.8% C 0.091 H 263.9°. Best body text is #FFFFFF at 12.46:1 contrast (WCAG AA passes).

Color values

HEX	#1C3263
RGB	rgb(28, 50, 99)
HSL	hsl(221, 56%, 25%)
HSV	hsv(221, 72%, 39%)
CMYK	cmyk(71.7%, 49.5%, 0%, 61.2%)
CIE-LAB	lab(21.68, 9.59, -31.60)
CIE-LCH	lch(21.68, 33.03, 286.88°)
OKLab	oklab(32.81% -0.0097 -0.0905)
OKLCH	oklch(32.81% 0.091 263.9)
XYZ	xyz(3.8708, 3.4286, 12.2597)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3263 #634D1C

analogous

#1C5663 #1C3263 #291C63

triadic

#1C3263 #631C32 #32631C

tetradic

#1C3263 #631C56 #634D1C #1C6329

square

#1C3263 #631C56 #634D1C #1C6329

split-complementary

#1C3263 #63291C #56631C

monochromatic

#070C18 #0F1A33 #1C3263 #294A93 #3762C2

Accessibility & contrast

On white

12.46

#1C3263 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1C3263 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3263

12.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3263	#FFFFFF	#000000	##FFFFFF
##1C3263	1.00	12.46	1.69	12.46
#FFFFFF	12.46	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#193765

Deuteranopia (green-blind)

#0B3162

Tritanopia (blue-blind)

#003D45

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c3263;
/* rgb */ color: rgb(28, 50, 99);
/* oklch */ color: oklch(32.8% 0.091 263.9);

Tailwind

colors: {
  custom: {
    50: '#616990',
    500: '#1c3263',
    950: '#000000',
  },
}

SCSS

$custom: #1c3263;
$custom-light: #616990;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3263",
  "rgb": {
    "r": 28,
    "g": 50,
    "b": 99
  },
  "hsl": {
    "h": 221.408,
    "s": 55.906,
    "l": 24.902
  },
  "oklch": {
    "l": 0.32814,
    "c": 0.09097,
    "h": 263.9
  },
  "luminance": 0.03429
}

Semantic roles & 50–950 ramp

primary

#1C3263

secondary

#987E43

accent

#B149DF

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05060C

muted

#7A7A7D

Preview Lab

Preview with #1C3263

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

Preview Lab → · Contrast checker → · Palette generator →