#2B538D#2B538D

#2B538D is a dark, moderate blue. Relative luminance 0.086; OKLCH L 44.3% C 0.106 H 257.8°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#2B538D
RGB	rgb(43, 83, 141)
HSL	hsl(216, 53%, 36%)
HSV	hsv(216, 70%, 55%)
CMYK	cmyk(69.5%, 41.1%, 0%, 44.7%)
CIE-LAB	lab(35.25, 6.12, -36.34)
CIE-LCH	lch(35.25, 36.85, 279.56°)
OKLab	oklab(44.35% -0.0224 -0.1036)
OKLCH	oklch(44.35% 0.106 257.8)
XYZ	xyz(8.8955, 8.6223, 26.3896)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B538D #8D652B

analogous

#2B848D #2B538D #342B8D

triadic

#2B538D #8D2B53 #538D2B

tetradic

#2B538D #8D2B84 #8D652B #2B8D34

square

#2B538D #8D2B84 #8D652B #2B8D34

split-complementary

#2B538D #8D342B #848D2B

monochromatic

#0E1C2F #1D375E #2B538D #396FBC #638FCF

Accessibility & contrast

On white

7.71

#2B538D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#2B538D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B538D

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B538D	#FFFFFF	#000000	##FFFFFF
##2B538D	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38588F

Deuteranopia (green-blind)

#294F8C

Tritanopia (blue-blind)

#006069

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2b538d;
/* rgb */ color: rgb(43, 83, 141);
/* oklch */ color: oklch(44.3% 0.106 257.8);

Tailwind

colors: {
  custom: {
    50: '#7082af',
    500: '#2b538d',
    950: '#000000',
  },
}

SCSS

$custom: #2b538d;
$custom-light: #7082af;
$custom-dark: #000000;

JSON

{
  "hex": "#2b538d",
  "rgb": {
    "r": 43,
    "g": 83,
    "b": 141
  },
  "hsl": {
    "h": 215.51,
    "s": 53.261,
    "l": 36.078
  },
  "oklch": {
    "l": 0.44345,
    "c": 0.10595,
    "h": 257.8
  },
  "luminance": 0.08623
}

Semantic roles & 50–950 ramp

primary

#2B538D

secondary

#B6925E

accent

#A14BDD

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2B538D

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

Preview Lab → · Contrast checker → · Palette generator →