#1B294C#1B294C

#1B294C is a dark, moderate blue. Relative luminance 0.023; OKLCH L 28.8% C 0.067 H 265.9°. Best body text is #FFFFFF at 14.30:1 contrast (WCAG AA passes).

Color values

HEX	#1B294C
RGB	rgb(27, 41, 76)
HSL	hsl(223, 48%, 20%)
HSV	hsv(223, 64%, 30%)
CMYK	cmyk(64.5%, 46.1%, 0%, 70.2%)
CIE-LAB	lab(17.18, 6.64, -23.49)
CIE-LCH	lch(17.18, 24.41, 285.78°)
OKLab	oklab(28.83% -0.0048 -0.0668)
OKLCH	oklch(28.83% 0.067 265.9)
XYZ	xyz(2.5490, 2.3405, 7.1535)
Luminance	0.0234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B294C #4C3E1B

analogous

#1B414C #1B294C #251B4C

triadic

#1B294C #4C1B29 #294C1B

tetradic

#1B294C #4C1B41 #4C3E1B #1B4C25

square

#1B294C #4C1B41 #4C3E1B #1B4C25

split-complementary

#1B294C #4C251B #414C1B

monochromatic

#080C17 #0B111F #1B294C #2B4179 #3B5AA6

Accessibility & contrast

On white

14.30

#1B294C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#1B294C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B294C

14.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B294C	#FFFFFF	#000000	##FFFFFF
##1B294C	1.00	14.30	1.47	14.30
#FFFFFF	14.30	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A2D4D

Deuteranopia (green-blind)

#13284B

Tritanopia (blue-blind)

#003136

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1b294c;
/* rgb */ color: rgb(27, 41, 76);
/* oklch */ color: oklch(28.8% 0.067 265.9);

Tailwind

colors: {
  custom: {
    50: '#5c627e',
    500: '#1b294c',
    950: '#000000',
  },
}

SCSS

$custom: #1b294c;
$custom-light: #5c627e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b294c",
  "rgb": {
    "r": 27,
    "g": 41,
    "b": 76
  },
  "hsl": {
    "h": 222.857,
    "s": 47.573,
    "l": 20.196
  },
  "oklch": {
    "l": 0.28833,
    "c": 0.06697,
    "h": 265.9
  },
  "luminance": 0.02341
}

Semantic roles & 50–950 ramp

primary

#1B294C

secondary

#826F41

accent

#B151D7

background

#F5F5F7

surface

#E9EAEE

border

#C5C6C9

text

#04050A

muted

#79797C

Preview Lab

Preview with #1B294C

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

Preview Lab → · Contrast checker → · Palette generator →