#1B415F#1B415F

#1B415F is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.3% C 0.068 H 245.1°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#1B415F
RGB	rgb(27, 65, 95)
HSL	hsl(206, 56%, 24%)
HSV	hsv(206, 72%, 37%)
CMYK	cmyk(71.6%, 31.6%, 0%, 62.7%)
CIE-LAB	lab(26.27, -2.58, -21.73)
CIE-LCH	lch(26.27, 21.88, 263.23°)
OKLab	oklab(36.29% -0.0285 -0.0613)
OKLCH	oklch(36.29% 0.068 245.1)
XYZ	xyz(4.4071, 4.8394, 11.5261)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B415F #5F391B

analogous

#1B5F5B #1B415F #1B1F5F

triadic

#1B415F #5F1B41 #415F1B

tetradic

#1B415F #5B1B5F #5F391B #1F5F1B

square

#1B415F #5B1B5F #5F391B #1F5F1B

split-complementary

#1B415F #5F1B1F #5F5B1B

monochromatic

#071018 #0D202F #1B415F #29628F #3682BE

Accessibility & contrast

On white

10.67

#1B415F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#1B415F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B415F

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B415F	#FFFFFF	#000000	##FFFFFF
##1B415F	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#344260

Deuteranopia (green-blind)

#2A3B5E

Tritanopia (blue-blind)

#00484C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1b415f;
/* rgb */ color: rgb(27, 65, 95);
/* oklch */ color: oklch(36.3% 0.068 245.1);

Tailwind

colors: {
  custom: {
    50: '#60758c',
    500: '#1b415f',
    950: '#000000',
  },
}

SCSS

$custom: #1b415f;
$custom-light: #60758c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b415f",
  "rgb": {
    "r": 27,
    "g": 65,
    "b": 95
  },
  "hsl": {
    "h": 206.471,
    "s": 55.738,
    "l": 23.922
  },
  "oklch": {
    "l": 0.36294,
    "c": 0.06763,
    "h": 245.1
  },
  "luminance": 0.0484
}

Semantic roles & 50–950 ramp

primary

#1B415F

secondary

#956641

accent

#8B49DF

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #1B415F

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

Preview Lab → · Contrast checker → · Palette generator →