#1A275A#1A275A

#1A275A is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.4% C 0.093 H 269.2°. Best body text is #FFFFFF at 14.17:1 contrast (WCAG AA passes).

Color values

HEX	#1A275A
RGB	rgb(26, 39, 90)
HSL	hsl(228, 55%, 23%)
HSV	hsv(228, 71%, 35%)
CMYK	cmyk(71.1%, 56.7%, 0%, 64.7%)
CIE-LAB	lab(17.50, 13.55, -32.41)
CIE-LCH	lch(17.50, 35.13, 292.70°)
OKLab	oklab(29.38% -0.0013 -0.0931)
OKLCH	oklch(29.38% 0.093 269.2)
XYZ	xyz(2.9964, 2.4086, 9.9779)
Luminance	0.0241 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A275A #5A4D1A

analogous

#1A475A #1A275A #2D1A5A

triadic

#1A275A #5A1A27 #275A1A

tetradic

#1A275A #5A1A47 #5A4D1A #1A5A2D

square

#1A275A #5A1A47 #5A4D1A #1A5A2D

split-complementary

#1A275A #5A2D1A #475A1A

monochromatic

#070A18 #0C122B #1A275A #283C89 #3550B9

Accessibility & contrast

On white

14.17

#1A275A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#1A275A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A275A

14.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A275A	#FFFFFF	#000000	##FFFFFF
##1A275A	1.00	14.17	1.48	14.17
#FFFFFF	14.17	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#072E5C

Deuteranopia (green-blind)

#002859

Tritanopia (blue-blind)

#00333C

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1a275a;
/* rgb */ color: rgb(26, 39, 90);
/* oklch */ color: oklch(29.4% 0.093 269.2);

Tailwind

colors: {
  custom: {
    50: '#5f6089',
    500: '#1a275a',
    950: '#000000',
  },
}

SCSS

$custom: #1a275a;
$custom-light: #5f6089;
$custom-dark: #000000;

JSON

{
  "hex": "#1a275a",
  "rgb": {
    "r": 26,
    "g": 39,
    "b": 90
  },
  "hsl": {
    "h": 227.813,
    "s": 55.172,
    "l": 22.745
  },
  "oklch": {
    "l": 0.29384,
    "c": 0.09308,
    "h": 269.2
  },
  "luminance": 0.02409
}

Semantic roles & 50–950 ramp

primary

#1A275A

secondary

#908040

accent

#C049DF

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05050B

muted

#79797C

Preview Lab

Preview with #1A275A

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

Preview Lab → · Contrast checker → · Palette generator →