#231E7B#231E7B

#231E7B is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.5% C 0.150 H 275.8°. Best body text is #FFFFFF at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#231E7B
RGB	rgb(35, 30, 123)
HSL	hsl(243, 61%, 30%)
HSV	hsv(243, 76%, 48%)
CMYK	cmyk(71.5%, 75.6%, 0%, 51.8%)
CIE-LAB	lab(18.87, 33.64, -51.67)
CIE-LCH	lch(18.87, 61.66, 303.07°)
OKLab	oklab(31.5% 0.0152 -0.1493)
OKLCH	oklch(31.5% 0.15 275.8)
XYZ	xyz(4.7314, 2.7155, 19.0099)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231E7B #767B1E

analogous

#1E477B #231E7B #521E7B

triadic

#231E7B #7B231E #1E7B23

tetradic

#231E7B #7B1E47 #767B1E #1E7B52

square

#231E7B #7B1E47 #767B1E #1E7B52

split-complementary

#231E7B #7B521E #477B1E

monochromatic

#070619 #15124A #231E7B #312AAC #4A42D1

Accessibility & contrast

On white

13.61

#231E7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#231E7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231E7B

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231E7B	#FFFFFF	#000000	##FFFFFF
##231E7B	1.00	13.61	1.54	13.61
#FFFFFF	13.61	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327E

Deuteranopia (green-blind)

#002A79

Tritanopia (blue-blind)

#00384A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #231e7b;
/* rgb */ color: rgb(35, 30, 123);
/* oklch */ color: oklch(31.5% 0.150 275.8);

Tailwind

colors: {
  custom: {
    50: '#6c5ba2',
    500: '#231e7b',
    950: '#000000',
  },
}

SCSS

$custom: #231e7b;
$custom-light: #6c5ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#231e7b",
  "rgb": {
    "r": 35,
    "g": 30,
    "b": 123
  },
  "hsl": {
    "h": 243.226,
    "s": 60.784,
    "l": 30
  },
  "oklch": {
    "l": 0.31498,
    "c": 0.1501,
    "h": 275.8
  },
  "luminance": 0.02716
}

Semantic roles & 50–950 ramp

primary

#231E7B

secondary

#A9AE46

accent

#E444DB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #231E7B

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

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