#1A304F#1A304F

#1A304F is a dark, moderate blue. Relative luminance 0.029; OKLCH L 30.8% C 0.063 H 257.2°. Best body text is #FFFFFF at 13.29:1 contrast (WCAG AA passes).

Color values

HEX	#1A304F
RGB	rgb(26, 48, 79)
HSL	hsl(215, 50%, 21%)
HSV	hsv(215, 67%, 31%)
CMYK	cmyk(67.1%, 39.2%, 0%, 69%)
CIE-LAB	lab(19.63, 2.55, -21.64)
CIE-LCH	lch(19.63, 21.79, 276.72°)
OKLab	oklab(30.78% -0.014 -0.0613)
OKLCH	oklch(30.78% 0.063 257.2)
XYZ	xyz(2.8937, 2.8978, 7.8024)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A304F #4F391A

analogous

#1A4A4F #1A304F #1E1A4F

triadic

#1A304F #4F1A30 #304F1A

tetradic

#1A304F #4F1A4A #4F391A #1A4F1E

square

#1A304F #4F1A4A #4F391A #1A4F1E

split-complementary

#1A304F #4F1E1A #4A4F1A

monochromatic

#080E17 #0B1421 #1A304F #294C7D #3868AB

Accessibility & contrast

On white

13.29

#1A304F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1A304F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A304F

13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A304F	#FFFFFF	#000000	##FFFFFF
##1A304F	1.00	13.29	1.58	13.29
#FFFFFF	13.29	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#233250

Deuteranopia (green-blind)

#1C2D4E

Tritanopia (blue-blind)

#00373B

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1a304f;
/* rgb */ color: rgb(26, 48, 79);
/* oklch */ color: oklch(30.8% 0.063 257.2);

Tailwind

colors: {
  custom: {
    50: '#5c6880',
    500: '#1a304f',
    950: '#000000',
  },
}

SCSS

$custom: #1a304f;
$custom-light: #5c6880;
$custom-dark: #000000;

JSON

{
  "hex": "#1a304f",
  "rgb": {
    "r": 26,
    "g": 48,
    "b": 79
  },
  "hsl": {
    "h": 215.094,
    "s": 50.476,
    "l": 20.588
  },
  "oklch": {
    "l": 0.30775,
    "c": 0.06288,
    "h": 257.2
  },
  "luminance": 0.02898
}

Semantic roles & 50–950 ramp

primary

#1A304F

secondary

#856840

accent

#A04EDA

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #1A304F

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

Preview Lab → · Contrast checker → · Palette generator →