#1B2E61#1B2E61

#1B2E61 is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.7% C 0.094 H 265.9°. Best body text is #FFFFFF at 13.04:1 contrast (WCAG AA passes).

Color values

HEX	#1B2E61
RGB	rgb(27, 46, 97)
HSL	hsl(224, 56%, 24%)
HSV	hsv(224, 72%, 38%)
CMYK	cmyk(72.2%, 52.6%, 0%, 62%)
CIE-LAB	lab(20.24, 11.48, -32.62)
CIE-LCH	lch(20.24, 34.58, 289.39°)
OKLab	oklab(31.65% -0.0067 -0.0935)
OKLCH	oklch(31.65% 0.094 265.9)
XYZ	xyz(3.5859, 3.0497, 11.7066)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2E61 #614E1B

analogous

#1B5161 #1B2E61 #2B1B61

triadic

#1B2E61 #611B2E #2E611B

tetradic

#1B2E61 #611B51 #614E1B #1B612B

square

#1B2E61 #611B51 #614E1B #1B612B

split-complementary

#1B2E61 #612B1B #51611B

monochromatic

#070B18 #0E1731 #1B2E61 #284591 #365BC1

Accessibility & contrast

On white

13.04

#1B2E61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1B2E61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2E61

13.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2E61	#FFFFFF	#000000	##FFFFFF
##1B2E61	1.00	13.04	1.61	13.04
#FFFFFF	13.04	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#123463

Deuteranopia (green-blind)

#012E60

Tritanopia (blue-blind)

#003A42

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1b2e61;
/* rgb */ color: rgb(27, 46, 97);
/* oklch */ color: oklch(31.7% 0.094 265.9);

Tailwind

colors: {
  custom: {
    50: '#61668e',
    500: '#1b2e61',
    950: '#000000',
  },
}

SCSS

$custom: #1b2e61;
$custom-light: #61668e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2e61",
  "rgb": {
    "r": 27,
    "g": 46,
    "b": 97
  },
  "hsl": {
    "h": 223.714,
    "s": 56.452,
    "l": 24.314
  },
  "oklch": {
    "l": 0.31651,
    "c": 0.09377,
    "h": 265.9
  },
  "luminance": 0.0305
}

Semantic roles & 50–950 ramp

primary

#1B2E61

secondary

#977F41

accent

#B748E0

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05050C

muted

#7A7A7D

Preview Lab

Preview with #1B2E61

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

Preview Lab → · Contrast checker → · Palette generator →