#1B293D#1B293D

#1B293D is a dark, muted blue. Relative luminance 0.022; OKLCH L 27.8% C 0.042 H 257.3°. Best body text is #FFFFFF at 14.67:1 contrast (WCAG AA passes).

Color values

HEX	#1B293D
RGB	rgb(27, 41, 61)
HSL	hsl(215, 39%, 17%)
HSV	hsv(215, 56%, 24%)
CMYK	cmyk(55.7%, 32.8%, 0%, 76.1%)
CIE-LAB	lab(16.28, 0.86, -14.60)
CIE-LCH	lch(16.28, 14.62, 273.36°)
OKLab	oklab(27.84% -0.0092 -0.0409)
OKLCH	oklch(27.84% 0.042 257.3)
XYZ	xyz(2.0870, 2.1557, 4.7201)
Luminance	0.0216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B293D #3D2F1B

analogous

#1B3A3D #1B293D #1E1B3D

triadic

#1B293D #3D1B29 #293D1B

tetradic

#1B293D #3D1B3A #3D2F1B #1B3D1E

square

#1B293D #3D1B3A #3D2F1B #1B3D1E

split-complementary

#1B293D #3D1E1B #3A3D1B

monochromatic

#090E15 #090E15 #1B293D #2E4667 #416292

Accessibility & contrast

On white

14.67

#1B293D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#1B293D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B293D

14.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B293D	#FFFFFF	#000000	##FFFFFF
##1B293D	1.00	14.67	1.43	14.67
#FFFFFF	14.67	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#212A3E

Deuteranopia (green-blind)

#1D273D

Tritanopia (blue-blind)

#0C2D30

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1b293d;
/* rgb */ color: rgb(27, 41, 61);
/* oklch */ color: oklch(27.8% 0.042 257.3);

Tailwind

colors: {
  custom: {
    50: '#5a6272',
    500: '#1b293d',
    950: '#000000',
  },
}

SCSS

$custom: #1b293d;
$custom-light: #5a6272;
$custom-dark: #000000;

JSON

{
  "hex": "#1b293d",
  "rgb": {
    "r": 27,
    "g": 41,
    "b": 61
  },
  "hsl": {
    "h": 215.294,
    "s": 38.636,
    "l": 17.255
  },
  "oklch": {
    "l": 0.27843,
    "c": 0.04191,
    "h": 257.3
  },
  "luminance": 0.02156
}

Semantic roles & 50–950 ramp

primary

#1B293D

secondary

#725E42

accent

#9E59CF

background

#F5F5F6

surface

#E9EAEC

border

#C5C6C7

text

#040508

muted

#79797B

Preview Lab

Preview with #1B293D

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

Preview Lab → · Contrast checker → · Palette generator →