#1E258F#1E258F

#1E258F is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.5% C 0.170 H 270.6°. Best body text is #FFFFFF at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#1E258F
RGB	rgb(30, 37, 143)
HSL	hsl(236, 65%, 34%)
HSV	hsv(236, 79%, 56%)
CMYK	cmyk(79%, 74.1%, 0%, 43.9%)
CIE-LAB	lab(22.24, 35.95, -58.71)
CIE-LCH	lch(22.24, 68.84, 301.48°)
OKLab	oklab(34.46% 0.0018 -0.17)
OKLCH	oklch(34.46% 0.17 270.6)
XYZ	xyz(6.1532, 3.5816, 26.3483)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E258F #8F881E

analogous

#1E5E8F #1E258F #501E8F

triadic

#1E258F #8F1E25 #258F1E

tetradic

#1E258F #8F1E5E #8F881E #1E8F50

square

#1E258F #8F1E5E #8F881E #1E8F50

split-complementary

#1E258F #8F501E #5E8F1E

monochromatic

#090B2A #13185C #1E258F #2932C2 #4E56DA

Accessibility & contrast

On white

12.23

#1E258F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1E258F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E258F

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E258F	#FFFFFF	#000000	##FFFFFF
##1E258F	1.00	12.23	1.72	12.23
#FFFFFF	12.23	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B92

Deuteranopia (green-blind)

#00308D

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1e258f;
/* rgb */ color: rgb(30, 37, 143);
/* oklch */ color: oklch(34.5% 0.170 270.6);

Tailwind

colors: {
  custom: {
    50: '#6f60b1',
    500: '#1e258f',
    950: '#000000',
  },
}

SCSS

$custom: #1e258f;
$custom-light: #6f60b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1e258f",
  "rgb": {
    "r": 30,
    "g": 37,
    "b": 143
  },
  "hsl": {
    "h": 236.283,
    "s": 65.318,
    "l": 33.922
  },
  "oklch": {
    "l": 0.34462,
    "c": 0.17,
    "h": 270.6
  },
  "luminance": 0.03582
}

Semantic roles & 50–950 ramp

primary

#1E258F

secondary

#BCB64C

accent

#DE40E8

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1E258F

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

Preview Lab → · Contrast checker → · Palette generator →