#1E256B#1E256B

#1E256B is a dark, vivid blue. Relative luminance 0.027; OKLCH L 30.7% C 0.121 H 272.7°. Best body text is #FFFFFF at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#1E256B
RGB	rgb(30, 37, 107)
HSL	hsl(235, 56%, 27%)
HSV	hsv(235, 72%, 42%)
CMYK	cmyk(72%, 65.4%, 0%, 58%)
CIE-LAB	lab(18.63, 22.45, -41.76)
CIE-LCH	lch(18.63, 47.41, 298.27°)
OKLab	oklab(30.75% 0.0056 -0.1205)
OKLCH	oklch(30.75% 0.121 272.7)
XYZ	xyz(3.8499, 2.6603, 14.2177)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E256B #6B641E

analogous

#1E4C6B #1E256B #3E1E6B

triadic

#1E256B #6B1E25 #256B1E

tetradic

#1E256B #6B1E4C #6B641E #1E6B3E

square

#1E256B #6B1E4C #6B641E #1E6B3E

split-complementary

#1E256B #6B3E1E #4C6B1E

monochromatic

#070818 #11143B #1E256B #2B369B #3B48C8

Accessibility & contrast

On white

13.71

#1E256B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1E256B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E256B

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E256B	#FFFFFF	#000000	##FFFFFF
##1E256B	1.00	13.71	1.53	13.71
#FFFFFF	13.71	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00316D

Deuteranopia (green-blind)

#002A6A

Tritanopia (blue-blind)

#003744

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1e256b;
/* rgb */ color: rgb(30, 37, 107);
/* oklch */ color: oklch(30.7% 0.121 272.7);

Tailwind

colors: {
  custom: {
    50: '#655f96',
    500: '#1e256b',
    950: '#000000',
  },
}

SCSS

$custom: #1e256b;
$custom-light: #655f96;
$custom-dark: #000000;

JSON

{
  "hex": "#1e256b",
  "rgb": {
    "r": 30,
    "g": 37,
    "b": 107
  },
  "hsl": {
    "h": 234.545,
    "s": 56.204,
    "l": 26.863
  },
  "oklch": {
    "l": 0.30749,
    "c": 0.1206,
    "h": 272.7
  },
  "luminance": 0.02661
}

Semantic roles & 50–950 ramp

primary

#1E256B

secondary

#9F9745

accent

#D248DF

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1E256B

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

Preview Lab → · Contrast checker → · Palette generator →