#1B415C#1B415C

#1B415C is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.1% C 0.064 H 242.4°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#1B415C
RGB	rgb(27, 65, 92)
HSL	hsl(205, 55%, 23%)
HSV	hsv(205, 71%, 36%)
CMYK	cmyk(70.7%, 29.3%, 0%, 63.9%)
CIE-LAB	lab(26.12, -3.74, -20.03)
CIE-LCH	lch(26.12, 20.38, 259.42°)
OKLab	oklab(36.12% -0.0295 -0.0564)
OKLCH	oklch(36.12% 0.064 242.4)
XYZ	xyz(4.2733, 4.7859, 10.8217)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B415C #5C361B

analogous

#1B5C56 #1B415C #1B205C

triadic

#1B415C #5C1B41 #415C1B

tetradic

#1B415C #561B5C #5C361B #205C1B

square

#1B415C #561B5C #5C361B #205C1B

split-complementary

#1B415C #5C1B20 #5C561B

monochromatic

#071118 #0D202D #1B415C #29628B #3784BB

Accessibility & contrast

On white

10.73

#1B415C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#1B415C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B415C

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B415C	#FFFFFF	#000000	##FFFFFF
##1B415C	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35415D

Deuteranopia (green-blind)

#2C3B5C

Tritanopia (blue-blind)

#00484A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1b415c;
/* rgb */ color: rgb(27, 65, 92);
/* oklch */ color: oklch(36.1% 0.064 242.4);

Tailwind

colors: {
  custom: {
    50: '#60758a',
    500: '#1b415c',
    950: '#000000',
  },
}

SCSS

$custom: #1b415c;
$custom-light: #60758a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b415c",
  "rgb": {
    "r": 27,
    "g": 65,
    "b": 92
  },
  "hsl": {
    "h": 204.923,
    "s": 54.622,
    "l": 23.333
  },
  "oklch": {
    "l": 0.36119,
    "c": 0.06369,
    "h": 242.4
  },
  "luminance": 0.04786
}

Semantic roles & 50–950 ramp

primary

#1B415C

secondary

#926341

accent

#874ADE

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #1B415C

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

Preview Lab → · Contrast checker → · Palette generator →