#1E237E#1E237E

#1E237E is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.3% C 0.150 H 272.0°. Best body text is #FFFFFF at 13.15:1 contrast (WCAG AA passes).

Color values

HEX	#1E237E
RGB	rgb(30, 35, 126)
HSL	hsl(237, 62%, 31%)
HSV	hsv(237, 76%, 49%)
CMYK	cmyk(76.2%, 72.2%, 0%, 50.6%)
CIE-LAB	lab(19.98, 31.02, -51.76)
CIE-LCH	lch(19.98, 60.34, 300.94°)
OKLab	oklab(32.3% 0.0053 -0.1497)
OKLCH	oklch(32.3% 0.15 272)
XYZ	xyz(4.9011, 2.9839, 20.0523)
Luminance	0.0298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E237E #7E791E

analogous

#1E537E #1E237E #491E7E

triadic

#1E237E #7E1E23 #237E1E

tetradic

#1E237E #7E1E53 #7E791E #1E7E49

square

#1E237E #7E1E53 #7E791E #1E7E49

split-complementary

#1E237E #7E491E #537E1E

monochromatic

#06081B #12154D #1E237E #2A31AF #444BD2

Accessibility & contrast

On white

13.15

#1E237E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1E237E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E237E

13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E237E	#FFFFFF	#000000	##FFFFFF
##1E237E	1.00	13.15	1.60	13.15
#FFFFFF	13.15	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003581

Deuteranopia (green-blind)

#002C7C

Tritanopia (blue-blind)

#003C4D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1e237e;
/* rgb */ color: rgb(30, 35, 126);
/* oklch */ color: oklch(32.3% 0.150 272.0);

Tailwind

colors: {
  custom: {
    50: '#6a5ea4',
    500: '#1e237e',
    950: '#000000',
  },
}

SCSS

$custom: #1e237e;
$custom-light: #6a5ea4;
$custom-dark: #000000;

JSON

{
  "hex": "#1e237e",
  "rgb": {
    "r": 30,
    "g": 35,
    "b": 126
  },
  "hsl": {
    "h": 236.875,
    "s": 61.538,
    "l": 30.588
  },
  "oklch": {
    "l": 0.32301,
    "c": 0.14982,
    "h": 272
  },
  "luminance": 0.02984
}

Semantic roles & 50–950 ramp

primary

#1E237E

secondary

#B1AC47

accent

#DC43E5

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #1E237E

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

Preview Lab → · Contrast checker → · Palette generator →