#2438B0#2438B0

#2438B0 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.3% C 0.190 H 268.5°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#2438B0
RGB	rgb(36, 56, 176)
HSL	hsl(231, 66%, 42%)
HSV	hsv(231, 80%, 69%)
CMYK	cmyk(79.5%, 68.2%, 0%, 31%)
CIE-LAB	lab(30.25, 36.51, -65.58)
CIE-LCH	lch(30.25, 75.06, 299.11°)
OKLab	oklab(41.33% -0.0049 -0.1899)
OKLCH	oklch(41.33% 0.19 268.5)
XYZ	xyz(9.9755, 6.3369, 41.7633)
Luminance	0.0634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.59

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2438B0 #B09C24

analogous

#247EB0 #2438B0 #5624B0

triadic

#2438B0 #B02438 #38B024

tetradic

#2438B0 #B0247E #B09C24 #24B056

square

#2438B0 #B0247E #B09C24 #24B056

split-complementary

#2438B0 #B05624 #7EB024

monochromatic

#0F184A #1A287D #2438B0 #3A51D7 #6D7EE1

Accessibility & contrast

On white

9.26

#2438B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2438B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2438B0

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2438B0	#FFFFFF	#000000	##FFFFFF
##2438B0	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB4

Deuteranopia (green-blind)

#0041AE

Tritanopia (blue-blind)

#00596F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2438b0;
/* rgb */ color: rgb(36, 56, 176);
/* oklch */ color: oklch(41.3% 0.190 268.5);

Tailwind

colors: {
  custom: {
    50: '#776fc9',
    500: '#2438b0',
    950: '#000000',
  },
}

SCSS

$custom: #2438b0;
$custom-light: #776fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2438b0",
  "rgb": {
    "r": 36,
    "g": 56,
    "b": 176
  },
  "hsl": {
    "h": 231.429,
    "s": 66.038,
    "l": 41.569
  },
  "oklch": {
    "l": 0.41331,
    "c": 0.18997,
    "h": 268.5
  },
  "luminance": 0.06338
}

Semantic roles & 50–950 ramp

primary

#2438B0

secondary

#C8BA68

accent

#D13FE9

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2438B0

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

Preview Lab → · Contrast checker → · Palette generator →