#1B294A#1B294A

#1B294A is a dark, moderate blue. Relative luminance 0.023; OKLCH L 28.7% C 0.064 H 265.3°. Best body text is #FFFFFF at 14.36:1 contrast (WCAG AA passes).

Color values

HEX	#1B294A
RGB	rgb(27, 41, 74)
HSL	hsl(222, 47%, 20%)
HSV	hsv(222, 64%, 29%)
CMYK	cmyk(63.5%, 44.6%, 0%, 71%)
CIE-LAB	lab(17.05, 5.85, -22.34)
CIE-LCH	lch(17.05, 23.09, 284.67°)
OKLab	oklab(28.69% -0.0052 -0.0634)
OKLCH	oklch(28.69% 0.064 265.3)
XYZ	xyz(2.4805, 2.3131, 6.7930)
Luminance	0.0231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B294A #4A3C1B

analogous

#1B414A #1B294A #251B4A

triadic

#1B294A #4A1B29 #294A1B

tetradic

#1B294A #4A1B41 #4A3C1B #1B4A25

square

#1B294A #4A1B41 #4A3C1B #1B4A25

split-complementary

#1B294A #4A251B #414A1B

monochromatic

#080C16 #0B101D #1B294A #2B4277 #3C5BA4

Accessibility & contrast

On white

14.36

#1B294A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1B294A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B294A

14.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B294A	#FFFFFF	#000000	##FFFFFF
##1B294A	1.00	14.36	1.46	14.36
#FFFFFF	14.36	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B2C4B

Deuteranopia (green-blind)

#152849

Tritanopia (blue-blind)

#003035

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1b294a;
/* rgb */ color: rgb(27, 41, 74);
/* oklch */ color: oklch(28.7% 0.064 265.3);

Tailwind

colors: {
  custom: {
    50: '#5c627d',
    500: '#1b294a',
    950: '#000000',
  },
}

SCSS

$custom: #1b294a;
$custom-light: #5c627d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b294a",
  "rgb": {
    "r": 27,
    "g": 41,
    "b": 74
  },
  "hsl": {
    "h": 222.128,
    "s": 46.535,
    "l": 19.804
  },
  "oklch": {
    "l": 0.2869,
    "c": 0.06364,
    "h": 265.3
  },
  "luminance": 0.02313
}

Semantic roles & 50–950 ramp

primary

#1B294A

secondary

#806D41

accent

#AF52D6

background

#F5F5F7

surface

#E9EAEE

border

#C5C6C9

text

#040509

muted

#79797B

Preview Lab

Preview with #1B294A

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

Preview Lab → · Contrast checker → · Palette generator →