#1B415E#1B415E

#1B415E is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.2% C 0.066 H 244.2°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#1B415E
RGB	rgb(27, 65, 94)
HSL	hsl(206, 55%, 24%)
HSV	hsv(206, 71%, 37%)
CMYK	cmyk(71.3%, 30.9%, 0%, 63.1%)
CIE-LAB	lab(26.22, -2.97, -21.16)
CIE-LCH	lch(26.22, 21.37, 262.02°)
OKLab	oklab(36.24% -0.0288 -0.0597)
OKLCH	oklch(36.24% 0.066 244.2)
XYZ	xyz(4.3619, 4.8213, 11.2882)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B415E #5E381B

analogous

#1B5E59 #1B415E #1B1F5E

triadic

#1B415E #5E1B41 #415E1B

tetradic

#1B415E #591B5E #5E381B #1F5E1B

square

#1B415E #591B5E #5E381B #1F5E1B

split-complementary

#1B415E #5E1B1F #5E591B

monochromatic

#071018 #0D202E #1B415E #29628E #3683BD

Accessibility & contrast

On white

10.69

#1B415E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#1B415E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B415E

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B415E	#FFFFFF	#000000	##FFFFFF
##1B415E	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34425F

Deuteranopia (green-blind)

#2B3B5D

Tritanopia (blue-blind)

#00484B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1b415e;
/* rgb */ color: rgb(27, 65, 94);
/* oklch */ color: oklch(36.2% 0.066 244.2);

Tailwind

colors: {
  custom: {
    50: '#60758c',
    500: '#1b415e',
    950: '#000000',
  },
}

SCSS

$custom: #1b415e;
$custom-light: #60758c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b415e",
  "rgb": {
    "r": 27,
    "g": 65,
    "b": 94
  },
  "hsl": {
    "h": 205.97,
    "s": 55.372,
    "l": 23.725
  },
  "oklch": {
    "l": 0.36235,
    "c": 0.0663,
    "h": 244.2
  },
  "luminance": 0.04822
}

Semantic roles & 50–950 ramp

primary

#1B415E

secondary

#946541

accent

#8A49DF

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #1B415E

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

Preview Lab → · Contrast checker → · Palette generator →