#231E58#231E58

#231E58 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 28.0% C 0.101 H 281.6°. Best body text is #FFFFFF at 15.02:1 contrast (WCAG AA passes).

Color values

HEX	#231E58
RGB	rgb(35, 30, 88)
HSL	hsl(245, 49%, 23%)
HSV	hsv(245, 66%, 35%)
CMYK	cmyk(60.2%, 65.9%, 0%, 65.5%)
CIE-LAB	lab(15.44, 21.07, -34.38)
CIE-LCH	lch(15.44, 40.32, 301.49°)
OKLab	oklab(27.97% 0.0202 -0.0987)
OKLCH	oklch(27.97% 0.101 281.6)
XYZ	xyz(2.9183, 1.9903, 9.4610)
Luminance	0.0199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231E58 #53581E

analogous

#1E3658 #231E58 #401E58

triadic

#231E58 #58231E #1E5823

tetradic

#231E58 #581E36 #53581E #1E5840

square

#231E58 #581E36 #53581E #1E5840

split-complementary

#231E58 #58401E #36581E

monochromatic

#090817 #110E2A #231E58 #352E86 #473DB3

Accessibility & contrast

On white

15.02

#231E58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#231E58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231E58

15.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231E58	#FFFFFF	#000000	##FFFFFF
##231E58	1.00	15.02	1.40	15.02
#FFFFFF	15.02	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00295A

Deuteranopia (green-blind)

#002457

Tritanopia (blue-blind)

#092C37

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #231e58;
/* rgb */ color: rgb(35, 30, 88);
/* oklch */ color: oklch(28.0% 0.101 281.6);

Tailwind

colors: {
  custom: {
    50: '#645a88',
    500: '#231e58',
    950: '#000000',
  },
}

SCSS

$custom: #231e58;
$custom-light: #645a88;
$custom-dark: #000000;

JSON

{
  "hex": "#231e58",
  "rgb": {
    "r": 35,
    "g": 30,
    "b": 88
  },
  "hsl": {
    "h": 245.172,
    "s": 49.153,
    "l": 23.137
  },
  "oklch": {
    "l": 0.27972,
    "c": 0.10075,
    "h": 281.6
  },
  "luminance": 0.0199
}

Semantic roles & 50–950 ramp

primary

#231E58

secondary

#878D45

accent

#D94FCD

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030B

muted

#7A787C

Preview Lab

Preview with #231E58

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

Preview Lab → · Contrast checker → · Palette generator →