#1B415D#1B415D

#1B415D is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.2% C 0.065 H 243.3°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#1B415D
RGB	rgb(27, 65, 93)
HSL	hsl(205, 55%, 24%)
HSV	hsv(205, 71%, 36%)
CMYK	cmyk(71%, 30.1%, 0%, 63.5%)
CIE-LAB	lab(26.17, -3.36, -20.60)
CIE-LCH	lch(26.17, 20.87, 260.74°)
OKLab	oklab(36.18% -0.0292 -0.0581)
OKLCH	oklch(36.18% 0.065 243.3)
XYZ	xyz(4.3173, 4.8035, 11.0534)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B415D #5D371B

analogous

#1B5D58 #1B415D #1B205D

triadic

#1B415D #5D1B41 #415D1B

tetradic

#1B415D #581B5D #5D371B #205D1B

square

#1B415D #581B5D #5D371B #205D1B

split-complementary

#1B415D #5D1B20 #5D581B

monochromatic

#071118 #0D202E #1B415D #29628C #3783BC

Accessibility & contrast

On white

10.71

#1B415D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#1B415D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B415D

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B415D	#FFFFFF	#000000	##FFFFFF
##1B415D	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34425E

Deuteranopia (green-blind)

#2B3B5C

Tritanopia (blue-blind)

#00484B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1b415d;
/* rgb */ color: rgb(27, 65, 93);
/* oklch */ color: oklch(36.2% 0.065 243.3);

Tailwind

colors: {
  custom: {
    50: '#60758b',
    500: '#1b415d',
    950: '#000000',
  },
}

SCSS

$custom: #1b415d;
$custom-light: #60758b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b415d",
  "rgb": {
    "r": 27,
    "g": 65,
    "b": 93
  },
  "hsl": {
    "h": 205.455,
    "s": 55,
    "l": 23.529
  },
  "oklch": {
    "l": 0.36176,
    "c": 0.06499,
    "h": 243.3
  },
  "luminance": 0.04804
}

Semantic roles & 50–950 ramp

primary

#1B415D

secondary

#936441

accent

#8949DE

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #1B415D

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

Preview Lab → · Contrast checker → · Palette generator →