#1E237C#1E237C

#1E237C is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.1% C 0.147 H 272.2°. Best body text is #FFFFFF at 13.24:1 contrast (WCAG AA passes).

Color values

HEX	#1E237C
RGB	rgb(30, 35, 124)
HSL	hsl(237, 61%, 30%)
HSV	hsv(237, 76%, 49%)
CMYK	cmyk(75.8%, 71.8%, 0%, 51.4%)
CIE-LAB	lab(19.77, 30.28, -50.82)
CIE-LCH	lch(19.77, 59.16, 300.78°)
OKLab	oklab(32.09% 0.0055 -0.147)
OKLCH	oklch(32.09% 0.147 272.2)
XYZ	xyz(4.7733, 2.9328, 19.3794)
Luminance	0.0293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E237C #7C771E

analogous

#1E527C #1E237C #481E7C

triadic

#1E237C #7C1E23 #237C1E

tetradic

#1E237C #7C1E52 #7C771E #1E7C48

square

#1E237C #7C1E52 #7C771E #1E7C48

split-complementary

#1E237C #7C481E #527C1E

monochromatic

#060719 #12154B #1E237C #2A31AD #434AD1

Accessibility & contrast

On white

13.24

#1E237C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1E237C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E237C

13.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E237C	#FFFFFF	#000000	##FFFFFF
##1E237C	1.00	13.24	1.59	13.24
#FFFFFF	13.24	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347F

Deuteranopia (green-blind)

#002B7A

Tritanopia (blue-blind)

#003B4C

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1e237c;
/* rgb */ color: rgb(30, 35, 124);
/* oklch */ color: oklch(32.1% 0.147 272.2);

Tailwind

colors: {
  custom: {
    50: '#6a5ea3',
    500: '#1e237c',
    950: '#000000',
  },
}

SCSS

$custom: #1e237c;
$custom-light: #6a5ea3;
$custom-dark: #000000;

JSON

{
  "hex": "#1e237c",
  "rgb": {
    "r": 30,
    "g": 35,
    "b": 124
  },
  "hsl": {
    "h": 236.809,
    "s": 61.039,
    "l": 30.196
  },
  "oklch": {
    "l": 0.3209,
    "c": 0.14711,
    "h": 272.2
  },
  "luminance": 0.02933
}

Semantic roles & 50–950 ramp

primary

#1E237C

secondary

#AFAA46

accent

#DC44E4

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1E237C

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

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