#1E237F#1E237F

#1E237F is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.4% C 0.151 H 271.9°. Best body text is #FFFFFF at 13.11:1 contrast (WCAG AA passes).

Color values

HEX	#1E237F
RGB	rgb(30, 35, 127)
HSL	hsl(237, 62%, 31%)
HSV	hsv(237, 76%, 50%)
CMYK	cmyk(76.4%, 72.4%, 0%, 50.2%)
CIE-LAB	lab(20.08, 31.39, -52.22)
CIE-LCH	lch(20.08, 60.93, 301.01°)
OKLab	oklab(32.41% 0.0051 -0.1511)
OKLCH	oklch(32.41% 0.151 271.9)
XYZ	xyz(4.9659, 3.0099, 20.3938)
Luminance	0.0301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E237F #7F7A1E

analogous

#1E537F #1E237F #491E7F

triadic

#1E237F #7F1E23 #237F1E

tetradic

#1E237F #7F1E53 #7F7A1E #1E7F49

square

#1E237F #7F1E53 #7F7A1E #1E7F49

split-complementary

#1E237F #7F491E #537F1E

monochromatic

#07081C #12154D #1E237F #2A31B1 #444CD3

Accessibility & contrast

On white

13.11

#1E237F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1E237F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E237F

13.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E237F	#FFFFFF	#000000	##FFFFFF
##1E237F	1.00	13.11	1.60	13.11
#FFFFFF	13.11	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003582

Deuteranopia (green-blind)

#002C7D

Tritanopia (blue-blind)

#003D4E

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1e237f;
/* rgb */ color: rgb(30, 35, 127);
/* oklch */ color: oklch(32.4% 0.151 271.9);

Tailwind

colors: {
  custom: {
    50: '#6b5ea5',
    500: '#1e237f',
    950: '#000000',
  },
}

SCSS

$custom: #1e237f;
$custom-light: #6b5ea5;
$custom-dark: #000000;

JSON

{
  "hex": "#1e237f",
  "rgb": {
    "r": 30,
    "g": 35,
    "b": 127
  },
  "hsl": {
    "h": 236.907,
    "s": 61.783,
    "l": 30.784
  },
  "oklch": {
    "l": 0.32407,
    "c": 0.15117,
    "h": 271.9
  },
  "luminance": 0.0301
}

Semantic roles & 50–950 ramp

primary

#1E237F

secondary

#B2AD47

accent

#DD43E5

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #1E237F

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

Preview Lab → · Contrast checker → · Palette generator →