#1A255A#1A255A

#1A255A is a dark, moderate blue. Relative luminance 0.023; OKLCH L 28.9% C 0.096 H 270.5°. Best body text is #FFFFFF at 14.42:1 contrast (WCAG AA passes).

Color values

HEX	#1A255A
RGB	rgb(26, 37, 90)
HSL	hsl(230, 55%, 23%)
HSV	hsv(230, 71%, 35%)
CMYK	cmyk(71.1%, 58.9%, 0%, 64.7%)
CIE-LAB	lab(16.90, 15.02, -33.39)
CIE-LCH	lch(16.90, 36.61, 294.23°)
OKLab	oklab(28.93% 0.0008 -0.096)
OKLCH	oklch(28.93% 0.096 270.5)
XYZ	xyz(2.9324, 2.2807, 9.9566)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A255A #5A4F1A

analogous

#1A455A #1A255A #2F1A5A

triadic

#1A255A #5A1A25 #255A1A

tetradic

#1A255A #5A1A45 #5A4F1A #1A5A2F

square

#1A255A #5A1A45 #5A4F1A #1A5A2F

split-complementary

#1A255A #5A2F1A #455A1A

monochromatic

#070A18 #0C112B #1A255A #283989 #354CB9

Accessibility & contrast

On white

14.42

#1A255A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1A255A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A255A

14.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A255A	#FFFFFF	#000000	##FFFFFF
##1A255A	1.00	14.42	1.46	14.42
#FFFFFF	14.42	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D5C

Deuteranopia (green-blind)

#002759

Tritanopia (blue-blind)

#00323B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1a255a;
/* rgb */ color: rgb(26, 37, 90);
/* oklch */ color: oklch(28.9% 0.096 270.5);

Tailwind

colors: {
  custom: {
    50: '#5f5f89',
    500: '#1a255a',
    950: '#000000',
  },
}

SCSS

$custom: #1a255a;
$custom-light: #5f5f89;
$custom-dark: #000000;

JSON

{
  "hex": "#1a255a",
  "rgb": {
    "r": 26,
    "g": 37,
    "b": 90
  },
  "hsl": {
    "h": 229.688,
    "s": 55.172,
    "l": 22.745
  },
  "oklch": {
    "l": 0.2893,
    "c": 0.09597,
    "h": 270.5
  },
  "luminance": 0.02281
}

Semantic roles & 50–950 ramp

primary

#1A255A

secondary

#908240

accent

#C549DF

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040B

muted

#79797C

Preview Lab

Preview with #1A255A

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

Preview Lab → · Contrast checker → · Palette generator →