#1A255F#1A255F

#1A255F is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.4% C 0.104 H 270.5°. Best body text is #FFFFFF at 14.25:1 contrast (WCAG AA passes).

Color values

HEX	#1A255F
RGB	rgb(26, 37, 95)
HSL	hsl(230, 57%, 24%)
HSV	hsv(230, 73%, 37%)
CMYK	cmyk(72.6%, 61.1%, 0%, 62.7%)
CIE-LAB	lab(17.31, 17.05, -36.03)
CIE-LCH	lch(17.31, 39.87, 295.32°)
OKLab	oklab(29.38% 0.001 -0.1038)
OKLCH	oklch(29.38% 0.104 270.5)
XYZ	xyz(3.1524, 2.3687, 11.1153)
Luminance	0.0237 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A255F #5F541A

analogous

#1A475F #1A255F #311A5F

triadic

#1A255F #5F1A25 #255F1A

tetradic

#1A255F #5F1A47 #5F541A #1A5F31

square

#1A255F #5F1A47 #5F541A #1A5F31

split-complementary

#1A255F #5F311A #475F1A

monochromatic

#070918 #0D122F #1A255F #27388F #344ABF

Accessibility & contrast

On white

14.25

#1A255F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#1A255F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A255F

14.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A255F	#FFFFFF	#000000	##FFFFFF
##1A255F	1.00	14.25	1.47	14.25
#FFFFFF	14.25	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E61

Deuteranopia (green-blind)

#00285E

Tritanopia (blue-blind)

#00333E

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1a255f;
/* rgb */ color: rgb(26, 37, 95);
/* oklch */ color: oklch(29.4% 0.104 270.5);

Tailwind

colors: {
  custom: {
    50: '#605f8d',
    500: '#1a255f',
    950: '#000000',
  },
}

SCSS

$custom: #1a255f;
$custom-light: #605f8d;
$custom-dark: #000000;

JSON

{
  "hex": "#1a255f",
  "rgb": {
    "r": 26,
    "g": 37,
    "b": 95
  },
  "hsl": {
    "h": 230.435,
    "s": 57.025,
    "l": 23.725
  },
  "oklch": {
    "l": 0.29375,
    "c": 0.10376,
    "h": 270.5
  },
  "luminance": 0.02369
}

Semantic roles & 50–950 ramp

primary

#1A255F

secondary

#958740

accent

#C848E0

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05040C

muted

#7A797D

Preview Lab

Preview with #1A255F

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

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