#1B295E#1B295E

#1B295E is a dark, moderate blue. Relative luminance 0.026; OKLCH L 30.2% C 0.096 H 268.9°. Best body text is #FFFFFF at 13.77:1 contrast (WCAG AA passes).

Color values

HEX	#1B295E
RGB	rgb(27, 41, 94)
HSL	hsl(227, 55%, 24%)
HSV	hsv(227, 71%, 37%)
CMYK	cmyk(71.3%, 56.4%, 0%, 63.1%)
CIE-LAB	lab(18.48, 13.90, -33.48)
CIE-LCH	lch(18.48, 36.25, 292.55°)
OKLab	oklab(30.24% -0.0019 -0.0961)
OKLCH	oklch(30.24% 0.096 268.9)
XYZ	xyz(3.2646, 2.6267, 10.9225)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B295E #5E501B

analogous

#1B4A5E #1B295E #2E1B5E

triadic

#1B295E #5E1B29 #295E1B

tetradic

#1B295E #5E1B4A #5E501B #1B5E2E

square

#1B295E #5E1B4A #5E501B #1B5E2E

split-complementary

#1B295E #5E2E1B #4A5E1B

monochromatic

#070A18 #0D142E #1B295E #293E8E #3652BD

Accessibility & contrast

On white

13.77

#1B295E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1B295E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B295E

13.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B295E	#FFFFFF	#000000	##FFFFFF
##1B295E	1.00	13.77	1.53	13.77
#FFFFFF	13.77	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#073060

Deuteranopia (green-blind)

#002A5D

Tritanopia (blue-blind)

#00363F

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1b295e;
/* rgb */ color: rgb(27, 41, 94);
/* oklch */ color: oklch(30.2% 0.096 268.9);

Tailwind

colors: {
  custom: {
    50: '#60628c',
    500: '#1b295e',
    950: '#000000',
  },
}

SCSS

$custom: #1b295e;
$custom-light: #60628c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b295e",
  "rgb": {
    "r": 27,
    "g": 41,
    "b": 94
  },
  "hsl": {
    "h": 227.463,
    "s": 55.372,
    "l": 23.725
  },
  "oklch": {
    "l": 0.30243,
    "c": 0.09617,
    "h": 268.9
  },
  "luminance": 0.02627
}

Semantic roles & 50–950 ramp

primary

#1B295E

secondary

#948241

accent

#BF49DF

background

#F6F5F8

surface

#EBEAF0

border

#C6C6CB

text

#05050C

muted

#7A797D

Preview Lab

Preview with #1B295E

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

Preview Lab → · Contrast checker → · Palette generator →