#1B2D60#1B2D60

#1B2D60 is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.3% C 0.094 H 266.4°. Best body text is #FFFFFF at 13.20:1 contrast (WCAG AA passes).

Color values

HEX	#1B2D60
RGB	rgb(27, 45, 96)
HSL	hsl(224, 56%, 24%)
HSV	hsv(224, 72%, 38%)
CMYK	cmyk(71.9%, 53.1%, 0%, 62.4%)
CIE-LAB	lab(19.86, 11.80, -32.58)
CIE-LCH	lch(19.86, 34.65, 289.91°)
OKLab	oklab(31.34% -0.0058 -0.0934)
OKLCH	oklch(31.34% 0.094 266.4)
XYZ	xyz(3.5010, 2.9540, 11.4497)
Luminance	0.0295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2D60 #604E1B

analogous

#1B5060 #1B2D60 #2C1B60

triadic

#1B2D60 #601B2D #2D601B

tetradic

#1B2D60 #601B50 #604E1B #1B602C

square

#1B2D60 #601B50 #604E1B #1B602C

split-complementary

#1B2D60 #602C1B #50601B

monochromatic

#070B18 #0E1730 #1B2D60 #284390 #365AC0

Accessibility & contrast

On white

13.20

#1B2D60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1B2D60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2D60

13.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2D60	#FFFFFF	#000000	##FFFFFF
##1B2D60	1.00	13.20	1.59	13.20
#FFFFFF	13.20	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#103362

Deuteranopia (green-blind)

#002D5F

Tritanopia (blue-blind)

#003942

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1b2d60;
/* rgb */ color: rgb(27, 45, 96);
/* oklch */ color: oklch(31.3% 0.094 266.4);

Tailwind

colors: {
  custom: {
    50: '#61658d',
    500: '#1b2d60',
    950: '#000000',
  },
}

SCSS

$custom: #1b2d60;
$custom-light: #61658d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2d60",
  "rgb": {
    "r": 27,
    "g": 45,
    "b": 96
  },
  "hsl": {
    "h": 224.348,
    "s": 56.098,
    "l": 24.118
  },
  "oklch": {
    "l": 0.31335,
    "c": 0.09361,
    "h": 266.4
  },
  "luminance": 0.02954
}

Semantic roles & 50–950 ramp

primary

#1B2D60

secondary

#968041

accent

#B848DF

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05050C

muted

#7A7A7D

Preview Lab

Preview with #1B2D60

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

Preview Lab → · Contrast checker → · Palette generator →