#1E256D#1E256D

#1E256D is a dark, vivid blue. Relative luminance 0.027; OKLCH L 30.9% C 0.124 H 272.6°. Best body text is #FFFFFF at 13.63:1 contrast (WCAG AA passes).

Color values

HEX	#1E256D
RGB	rgb(30, 37, 109)
HSL	hsl(235, 57%, 27%)
HSV	hsv(235, 72%, 43%)
CMYK	cmyk(72.5%, 66.1%, 0%, 57.3%)
CIE-LAB	lab(18.81, 23.23, -42.76)
CIE-LCH	lch(18.81, 48.66, 298.51°)
OKLab	oklab(30.94% 0.0055 -0.1234)
OKLCH	oklch(30.94% 0.124 272.6)
XYZ	xyz(3.9564, 2.7029, 14.7782)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E256D #6D661E

analogous

#1E4C6D #1E256D #3F1E6D

triadic

#1E256D #6D1E25 #256D1E

tetradic

#1E256D #6D1E4C #6D661E #1E6D3F

square

#1E256D #6D1E4C #6D661E #1E6D3F

split-complementary

#1E256D #6D3F1E #4C6D1E

monochromatic

#070818 #11153D #1E256D #2B359D #3C49C9

Accessibility & contrast

On white

13.63

#1E256D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1E256D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E256D

13.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E256D	#FFFFFF	#000000	##FFFFFF
##1E256D	1.00	13.63	1.54	13.63
#FFFFFF	13.63	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00316F

Deuteranopia (green-blind)

#002A6C

Tritanopia (blue-blind)

#003745

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1e256d;
/* rgb */ color: rgb(30, 37, 109);
/* oklch */ color: oklch(30.9% 0.124 272.6);

Tailwind

colors: {
  custom: {
    50: '#665f98',
    500: '#1e256d',
    950: '#000000',
  },
}

SCSS

$custom: #1e256d;
$custom-light: #665f98;
$custom-dark: #000000;

JSON

{
  "hex": "#1e256d",
  "rgb": {
    "r": 30,
    "g": 37,
    "b": 109
  },
  "hsl": {
    "h": 234.684,
    "s": 56.835,
    "l": 27.255
  },
  "oklch": {
    "l": 0.30941,
    "c": 0.12353,
    "h": 272.6
  },
  "luminance": 0.02703
}

Semantic roles & 50–950 ramp

primary

#1E256D

secondary

#A19945

accent

#D348E0

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #1E256D

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

Preview Lab → · Contrast checker → · Palette generator →