#1B395D#1B395D

#1B395D is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.1% C 0.073 H 254.3°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#1B395D
RGB	rgb(27, 57, 93)
HSL	hsl(213, 55%, 24%)
HSV	hsv(213, 71%, 36%)
CMYK	cmyk(71%, 38.7%, 0%, 63.5%)
CIE-LAB	lab(23.50, 2.04, -24.79)
CIE-LCH	lch(23.50, 24.87, 274.71°)
OKLab	oklab(34.08% -0.0198 -0.0704)
OKLCH	oklch(34.08% 0.073 254.3)
XYZ	xyz(3.8902, 3.9492, 10.9111)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B395D #5D3F1B

analogous

#1B5A5D #1B395D #1E1B5D

triadic

#1B395D #5D1B39 #395D1B

tetradic

#1B395D #5D1B5A #5D3F1B #1B5D1E

square

#1B395D #5D1B5A #5D3F1B #1B5D1E

split-complementary

#1B395D #5D1E1B #5A5D1B

monochromatic

#070F18 #0D1C2E #1B395D #29568C #3773BC

Accessibility & contrast

On white

11.73

#1B395D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1B395D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B395D

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B395D	#FFFFFF	#000000	##FFFFFF
##1B395D	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293B5E

Deuteranopia (green-blind)

#20355C

Tritanopia (blue-blind)

#004146

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1b395d;
/* rgb */ color: rgb(27, 57, 93);
/* oklch */ color: oklch(34.1% 0.073 254.3);

Tailwind

colors: {
  custom: {
    50: '#606f8b',
    500: '#1b395d',
    950: '#000000',
  },
}

SCSS

$custom: #1b395d;
$custom-light: #606f8b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b395d",
  "rgb": {
    "r": 27,
    "g": 57,
    "b": 93
  },
  "hsl": {
    "h": 212.727,
    "s": 55,
    "l": 23.529
  },
  "oklch": {
    "l": 0.34082,
    "c": 0.0731,
    "h": 254.3
  },
  "luminance": 0.0395
}

Semantic roles & 50–950 ramp

primary

#1B395D

secondary

#936E41

accent

#9B49DE

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #1B395D

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

Preview Lab → · Contrast checker → · Palette generator →