#1B2E5D#1B2E5D

#1B2E5D is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.3% C 0.087 H 265.2°. Best body text is #FFFFFF at 13.16:1 contrast (WCAG AA passes).

Color values

HEX	#1B2E5D
RGB	rgb(27, 46, 93)
HSL	hsl(223, 55%, 24%)
HSV	hsv(223, 71%, 36%)
CMYK	cmyk(71%, 50.5%, 0%, 63.5%)
CIE-LAB	lab(19.95, 9.85, -30.45)
CIE-LCH	lch(19.95, 32.00, 287.93°)
OKLab	oklab(31.34% -0.0074 -0.0872)
OKLCH	oklch(31.34% 0.087 265.2)
XYZ	xyz(3.4041, 2.9770, 10.7490)
Luminance	0.0298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2E5D #5D4A1B

analogous

#1B4F5D #1B2E5D #291B5D

triadic

#1B2E5D #5D1B2E #2E5D1B

tetradic

#1B2E5D #5D1B4F #5D4A1B #1B5D29

square

#1B2E5D #5D1B4F #5D4A1B #1B5D29

split-complementary

#1B2E5D #5D291B #4F5D1B

monochromatic

#070C18 #0D172E #1B2E5D #29458C #375DBC

Accessibility & contrast

On white

13.16

#1B2E5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1B2E5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2E5D

13.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2E5D	#FFFFFF	#000000	##FFFFFF
##1B2E5D	1.00	13.16	1.60	13.16
#FFFFFF	13.16	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16335F

Deuteranopia (green-blind)

#092D5C

Tritanopia (blue-blind)

#003941

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1b2e5d;
/* rgb */ color: rgb(27, 46, 93);
/* oklch */ color: oklch(31.3% 0.087 265.2);

Tailwind

colors: {
  custom: {
    50: '#60668b',
    500: '#1b2e5d',
    950: '#000000',
  },
}

SCSS

$custom: #1b2e5d;
$custom-light: #60668b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2e5d",
  "rgb": {
    "r": 27,
    "g": 46,
    "b": 93
  },
  "hsl": {
    "h": 222.727,
    "s": 55,
    "l": 23.529
  },
  "oklch": {
    "l": 0.31336,
    "c": 0.08747,
    "h": 265.2
  },
  "luminance": 0.02977
}

Semantic roles & 50–950 ramp

primary

#1B2E5D

secondary

#937B41

accent

#B349DE

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05050C

muted

#797A7D

Preview Lab

Preview with #1B2E5D

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

Preview Lab → · Contrast checker → · Palette generator →