#1A255B#1A255B

#1A255B is a dark, moderate blue. Relative luminance 0.023; OKLCH L 29.0% C 0.098 H 270.5°. Best body text is #FFFFFF at 14.39:1 contrast (WCAG AA passes).

Color values

HEX	#1A255B
RGB	rgb(26, 37, 91)
HSL	hsl(230, 56%, 23%)
HSV	hsv(230, 71%, 36%)
CMYK	cmyk(71.4%, 59.3%, 0%, 64.3%)
CIE-LAB	lab(16.98, 15.43, -33.92)
CIE-LCH	lch(16.98, 37.27, 294.46°)
OKLab	oklab(29.02% 0.0008 -0.0975)
OKLCH	oklch(29.02% 0.098 270.5)
XYZ	xyz(2.9753, 2.2978, 10.1822)
Luminance	0.0230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A255B #5B501A

analogous

#1A455B #1A255B #2F1A5B

triadic

#1A255B #5B1A25 #255B1A

tetradic

#1A255B #5B1A45 #5B501A #1A5B2F

square

#1A255B #5B1A45 #5B501A #1A5B2F

split-complementary

#1A255B #5B2F1A #455B1A

monochromatic

#070A18 #0C122B #1A255B #28388B #354CBA

Accessibility & contrast

On white

14.39

#1A255B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1A255B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A255B

14.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A255B	#FFFFFF	#000000	##FFFFFF
##1A255B	1.00	14.39	1.46	14.39
#FFFFFF	14.39	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D5D

Deuteranopia (green-blind)

#00275A

Tritanopia (blue-blind)

#00323C

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1a255b;
/* rgb */ color: rgb(26, 37, 91);
/* oklch */ color: oklch(29.0% 0.098 270.5);

Tailwind

colors: {
  custom: {
    50: '#5f5f8a',
    500: '#1a255b',
    950: '#000000',
  },
}

SCSS

$custom: #1a255b;
$custom-light: #5f5f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#1a255b",
  "rgb": {
    "r": 26,
    "g": 37,
    "b": 91
  },
  "hsl": {
    "h": 229.846,
    "s": 55.556,
    "l": 22.941
  },
  "oklch": {
    "l": 0.29017,
    "c": 0.09754,
    "h": 270.5
  },
  "luminance": 0.02298
}

Semantic roles & 50–950 ramp

primary

#1A255B

secondary

#918340

accent

#C549DF

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #1A255B

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

Preview Lab → · Contrast checker → · Palette generator →