#231EA0#231EA0

#231EA0 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.7% C 0.196 H 272.0°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#231EA0
RGB	rgb(35, 30, 160)
HSL	hsl(242, 68%, 37%)
HSV	hsv(242, 81%, 63%)
CMYK	cmyk(78.1%, 81.3%, 0%, 37.3%)
CIE-LAB	lab(23.08, 46.02, -67.77)
CIE-LCH	lch(23.08, 81.92, 304.18°)
OKLab	oklab(35.7% 0.0069 -0.1961)
OKLCH	oklch(35.7% 0.196 272)
XYZ	xyz(7.5004, 3.8231, 33.5935)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231EA0 #9BA01E

analogous

#1E5AA0 #231EA0 #641EA0

triadic

#231EA0 #A0231E #1EA023

tetradic

#231EA0 #A01E5A #9BA01E #1EA064

square

#231EA0 #A01E5A #9BA01E #1EA064

split-complementary

#231EA0 #A0641E #5AA01E

monochromatic

#0C0B39 #18146C #231EA0 #2E28D4 #5E59E0

Accessibility & contrast

On white

11.90

#231EA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#231EA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231EA0

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231EA0	#FFFFFF	#000000	##FFFFFF
##231EA0	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA4

Deuteranopia (green-blind)

#00309E

Tritanopia (blue-blind)

#004760

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #231ea0;
/* rgb */ color: rgb(35, 30, 160);
/* oklch */ color: oklch(35.7% 0.196 272.0);

Tailwind

colors: {
  custom: {
    50: '#755dbd',
    500: '#231ea0',
    950: '#000000',
  },
}

SCSS

$custom: #231ea0;
$custom-light: #755dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#231ea0",
  "rgb": {
    "r": 35,
    "g": 30,
    "b": 160
  },
  "hsl": {
    "h": 242.308,
    "s": 68.421,
    "l": 37.255
  },
  "oklch": {
    "l": 0.35698,
    "c": 0.19625,
    "h": 272
  },
  "luminance": 0.03824
}

Semantic roles & 50–950 ramp

primary

#231EA0

secondary

#BFC456

accent

#EB3DE5

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #231EA0

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

Preview Lab → · Contrast checker → · Palette generator →