#2023B1#2023B1

#2023B1 is a dark, highly saturated blue. Relative luminance 0.047; OKLCH L 38.1% C 0.213 H 269.6°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#2023B1
RGB	rgb(32, 35, 177)
HSL	hsl(239, 69%, 41%)
HSV	hsv(239, 82%, 69%)
CMYK	cmyk(81.9%, 80.2%, 0%, 30.6%)
CIE-LAB	lab(25.81, 48.77, -73.51)
CIE-LCH	lch(25.81, 88.22, 303.56°)
OKLab	oklab(38.15% -0.0013 -0.2129)
OKLCH	oklch(38.15% 0.213 269.6)
XYZ	xyz(9.1298, 4.6824, 42.0091)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2023B1 #B1AE20

analogous

#206BB1 #2023B1 #6520B1

triadic

#2023B1 #B12023 #23B120

tetradic

#2023B1 #B1206B #B1AE20 #20B165

square

#2023B1 #B1206B #B1AE20 #20B165

split-complementary

#2023B1 #B16520 #6BB120

monochromatic

#0D0F49 #17197D #2023B1 #3437DA #686AE4

Accessibility & contrast

On white

10.84

#2023B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2023B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2023B1

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2023B1	#FFFFFF	#000000	##FFFFFF
##2023B1	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B5

Deuteranopia (green-blind)

#0035AF

Tritanopia (blue-blind)

#00506A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2023b1;
/* rgb */ color: rgb(32, 35, 177);
/* oklch */ color: oklch(38.1% 0.213 269.6);

Tailwind

colors: {
  custom: {
    50: '#7861ca',
    500: '#2023b1',
    950: '#000000',
  },
}

SCSS

$custom: #2023b1;
$custom-light: #7861ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2023b1",
  "rgb": {
    "r": 32,
    "g": 35,
    "b": 177
  },
  "hsl": {
    "h": 238.759,
    "s": 69.378,
    "l": 40.98
  },
  "oklch": {
    "l": 0.38145,
    "c": 0.2129,
    "h": 269.6
  },
  "luminance": 0.04683
}

Semantic roles & 50–950 ramp

primary

#2023B1

secondary

#C9C764

accent

#E93CEC

background

#F8F5FC

surface

#EFEAF9

border

#CAC6D2

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2023B1

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

Preview Lab → · Contrast checker → · Palette generator →